19005515980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{1193}}^1$

素因数の和:1480

約数の個数: 144

約数和(自身を含む): 45620638560

約数和(自身を除く): 26615122580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 227, 242, 290, 319, 454, 484, 580, 605, 638, 908, 1135, 1193, 1210, 1276, 1595, 2270, 2386, 2420, 2497, 3190, 3509, 4540, 4772, 4994, 5965, 6380, 6583, 7018, 9988, 11930, 12485, 13123, 13166, 14036, 17545, 23860, 24970, 26246, 26332, 27467, 32915, 34597, 35090, 49940, 52492, 54934, 65615, 65830, 69194, 70180, 72413, 109868, 131230, 131660, 137335, 138388, 144353, 144826, 172985, 262460, 270811, 274670, 288706, 289652, 345970, 362065, 380567, 541622, 549340, 577412, 691940, 721765, 724130, 761134, 796543, 1083244, 1354055, 1443530, 1448260, 1522268, 1593086, 1902835, 2708110, 2887060, 2978921, 3186172, 3805670, 3982715, 4186237, 5416220, 5957842, 7611340, 7853519, 7965430, 8372474, 11915684, 14894605, 15707038, 15930860, 16744948, 20931185, 29789210, 31414076, 32768131, 39267595, 41862370, 59578420, 65536262, 78535190, 83724740, 86388709, 131072524, 157070380, 163840655, 172777418, 327681310, 345554836, 431943545, 655362620, 863887090, 950275799, 1727774180, 1900551598, 3801103196, 4751378995, 9502757990, 19005515980]

約数ペア:

[(1, 19005515980), (2, 9502757990), (4, 4751378995), (5, 3801103196), (10, 1900551598), (11, 1727774180), (20, 950275799), (22, 863887090), (29, 655362620), (44, 431943545), (55, 345554836), (58, 327681310), (110, 172777418), (116, 163840655), (121, 157070380), (145, 131072524), (220, 86388709), (227, 83724740), (242, 78535190), (290, 65536262), (319, 59578420), (454, 41862370), (484, 39267595), (580, 32768131), (605, 31414076), (638, 29789210), (908, 20931185), (1135, 16744948), (1193, 15930860), (1210, 15707038), (1276, 14894605), (1595, 11915684), (2270, 8372474), (2386, 7965430), (2420, 7853519), (2497, 7611340), (3190, 5957842), (3509, 5416220), (4540, 4186237), (4772, 3982715), (4994, 3805670), (5965, 3186172), (6380, 2978921), (6583, 2887060), (7018, 2708110), (9988, 1902835), (11930, 1593086), (12485, 1522268), (13123, 1448260), (13166, 1443530), (14036, 1354055), (17545, 1083244), (23860, 796543), (24970, 761134), (26246, 724130), (26332, 721765), (27467, 691940), (32915, 577412), (34597, 549340), (35090, 541622), (49940, 380567), (52492, 362065), (54934, 345970), (65615, 289652), (65830, 288706), (69194, 274670), (70180, 270811), (72413, 262460), (109868, 172985), (131230, 144826), (131660, 144353), (137335, 138388)]