19590760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 54282240

約数和(自身を除く): 34691480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 61, 62, 70, 74, 122, 124, 140, 148, 155, 185, 217, 244, 248, 259, 280, 296, 305, 310, 370, 427, 434, 488, 518, 610, 620, 740, 854, 868, 1036, 1085, 1147, 1220, 1240, 1295, 1480, 1708, 1736, 1891, 2072, 2135, 2170, 2257, 2294, 2440, 2590, 3416, 3782, 4270, 4340, 4514, 4588, 5180, 5735, 7564, 8029, 8540, 8680, 9028, 9176, 9455, 10360, 11285, 11470, 13237, 15128, 15799, 16058, 17080, 18056, 18910, 22570, 22940, 26474, 31598, 32116, 37820, 40145, 45140, 45880, 52948, 63196, 64232, 66185, 69967, 75640, 78995, 80290, 90280, 105896, 126392, 132370, 139934, 157990, 160580, 264740, 279868, 315980, 321160, 349835, 489769, 529480, 559736, 631960, 699670, 979538, 1399340, 1959076, 2448845, 2798680, 3918152, 4897690, 9795380, 19590760]

約数ペア:

[(1, 19590760), (2, 9795380), (4, 4897690), (5, 3918152), (7, 2798680), (8, 2448845), (10, 1959076), (14, 1399340), (20, 979538), (28, 699670), (31, 631960), (35, 559736), (37, 529480), (40, 489769), (56, 349835), (61, 321160), (62, 315980), (70, 279868), (74, 264740), (122, 160580), (124, 157990), (140, 139934), (148, 132370), (155, 126392), (185, 105896), (217, 90280), (244, 80290), (248, 78995), (259, 75640), (280, 69967), (296, 66185), (305, 64232), (310, 63196), (370, 52948), (427, 45880), (434, 45140), (488, 40145), (518, 37820), (610, 32116), (620, 31598), (740, 26474), (854, 22940), (868, 22570), (1036, 18910), (1085, 18056), (1147, 17080), (1220, 16058), (1240, 15799), (1295, 15128), (1480, 13237), (1708, 11470), (1736, 11285), (1891, 10360), (2072, 9455), (2135, 9176), (2170, 9028), (2257, 8680), (2294, 8540), (2440, 8029), (2590, 7564), (3416, 5735), (3782, 5180), (4270, 4588), (4340, 4514)]