19230540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 64963584

約数和(自身を除く): 45733044

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 211, 217, 245, 294, 310, 372, 420, 422, 434, 465, 490, 588, 620, 633, 651, 735, 844, 868, 930, 980, 1055, 1085, 1266, 1302, 1470, 1477, 1519, 1860, 2110, 2170, 2532, 2604, 2940, 2954, 3038, 3165, 3255, 4220, 4340, 4431, 4557, 5908, 6076, 6330, 6510, 6541, 7385, 7595, 8862, 9114, 10339, 12660, 13020, 13082, 14770, 15190, 17724, 18228, 19623, 20678, 22155, 22785, 26164, 29540, 30380, 31017, 32705, 39246, 41356, 44310, 45570, 45787, 51695, 62034, 65410, 78492, 88620, 91140, 91574, 98115, 103390, 124068, 130820, 137361, 155085, 183148, 196230, 206780, 228935, 274722, 310170, 320509, 392460, 457870, 549444, 620340, 641018, 686805, 915740, 961527, 1282036, 1373610, 1602545, 1923054, 2747220, 3205090, 3846108, 4807635, 6410180, 9615270, 19230540]

約数ペア:

[(1, 19230540), (2, 9615270), (3, 6410180), (4, 4807635), (5, 3846108), (6, 3205090), (7, 2747220), (10, 1923054), (12, 1602545), (14, 1373610), (15, 1282036), (20, 961527), (21, 915740), (28, 686805), (30, 641018), (31, 620340), (35, 549444), (42, 457870), (49, 392460), (60, 320509), (62, 310170), (70, 274722), (84, 228935), (93, 206780), (98, 196230), (105, 183148), (124, 155085), (140, 137361), (147, 130820), (155, 124068), (186, 103390), (196, 98115), (210, 91574), (211, 91140), (217, 88620), (245, 78492), (294, 65410), (310, 62034), (372, 51695), (420, 45787), (422, 45570), (434, 44310), (465, 41356), (490, 39246), (588, 32705), (620, 31017), (633, 30380), (651, 29540), (735, 26164), (844, 22785), (868, 22155), (930, 20678), (980, 19623), (1055, 18228), (1085, 17724), (1266, 15190), (1302, 14770), (1470, 13082), (1477, 13020), (1519, 12660), (1860, 10339), (2110, 9114), (2170, 8862), (2532, 7595), (2604, 7385), (2940, 6541), (2954, 6510), (3038, 6330), (3165, 6076), (3255, 5908), (4220, 4557), (4340, 4431)]