19442220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 47781300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 389, 420, 476, 490, 510, 588, 595, 714, 735, 778, 833, 980, 1020, 1167, 1190, 1428, 1470, 1556, 1666, 1785, 1945, 2334, 2380, 2499, 2723, 2940, 3332, 3570, 3890, 4165, 4668, 4998, 5446, 5835, 6613, 7140, 7780, 8169, 8330, 9996, 10892, 11670, 12495, 13226, 13615, 16338, 16660, 19061, 19839, 23340, 24990, 26452, 27230, 32676, 33065, 38122, 39678, 40845, 46291, 49980, 54460, 57183, 66130, 76244, 79356, 81690, 92582, 95305, 99195, 114366, 132260, 138873, 163380, 185164, 190610, 198390, 228732, 231455, 277746, 285915, 324037, 381220, 396780, 462910, 555492, 571830, 648074, 694365, 925820, 972111, 1143660, 1296148, 1388730, 1620185, 1944222, 2777460, 3240370, 3888444, 4860555, 6480740, 9721110, 19442220]

約数ペア:

[(1, 19442220), (2, 9721110), (3, 6480740), (4, 4860555), (5, 3888444), (6, 3240370), (7, 2777460), (10, 1944222), (12, 1620185), (14, 1388730), (15, 1296148), (17, 1143660), (20, 972111), (21, 925820), (28, 694365), (30, 648074), (34, 571830), (35, 555492), (42, 462910), (49, 396780), (51, 381220), (60, 324037), (68, 285915), (70, 277746), (84, 231455), (85, 228732), (98, 198390), (102, 190610), (105, 185164), (119, 163380), (140, 138873), (147, 132260), (170, 114366), (196, 99195), (204, 95305), (210, 92582), (238, 81690), (245, 79356), (255, 76244), (294, 66130), (340, 57183), (357, 54460), (389, 49980), (420, 46291), (476, 40845), (490, 39678), (510, 38122), (588, 33065), (595, 32676), (714, 27230), (735, 26452), (778, 24990), (833, 23340), (980, 19839), (1020, 19061), (1167, 16660), (1190, 16338), (1428, 13615), (1470, 13226), (1556, 12495), (1666, 11670), (1785, 10892), (1945, 9996), (2334, 8330), (2380, 8169), (2499, 7780), (2723, 7140), (2940, 6613), (3332, 5835), (3570, 5446), (3890, 4998), (4165, 4668)]