19726920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1481}}^1$

素因数の和:1535

約数の個数: 96

約数和(自身を含む): 65889720

約数和(自身を除く): 46162800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1481, 1665, 2220, 2664, 2962, 3330, 4440, 4443, 5924, 6660, 7405, 8886, 11848, 13320, 13329, 14810, 17772, 22215, 26658, 29620, 35544, 44430, 53316, 54797, 59240, 66645, 88860, 106632, 109594, 133290, 164391, 177720, 219188, 266580, 273985, 328782, 438376, 493173, 533160, 547970, 657564, 821955, 986346, 1095940, 1315128, 1643910, 1972692, 2191880, 2465865, 3287820, 3945384, 4931730, 6575640, 9863460, 19726920]

約数ペア:

[(1, 19726920), (2, 9863460), (3, 6575640), (4, 4931730), (5, 3945384), (6, 3287820), (8, 2465865), (9, 2191880), (10, 1972692), (12, 1643910), (15, 1315128), (18, 1095940), (20, 986346), (24, 821955), (30, 657564), (36, 547970), (37, 533160), (40, 493173), (45, 438376), (60, 328782), (72, 273985), (74, 266580), (90, 219188), (111, 177720), (120, 164391), (148, 133290), (180, 109594), (185, 106632), (222, 88860), (296, 66645), (333, 59240), (360, 54797), (370, 53316), (444, 44430), (555, 35544), (666, 29620), (740, 26658), (888, 22215), (1110, 17772), (1332, 14810), (1480, 13329), (1481, 13320), (1665, 11848), (2220, 8886), (2664, 7405), (2962, 6660), (3330, 5924), (4440, 4443)]