18688620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 54867456

約数和(自身を除く): 36178836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 71, 82, 107, 123, 142, 164, 205, 213, 214, 246, 284, 321, 355, 410, 426, 428, 492, 535, 615, 642, 710, 820, 852, 1065, 1070, 1230, 1284, 1420, 1605, 2130, 2140, 2460, 2911, 3210, 4260, 4387, 5822, 6420, 7597, 8733, 8774, 11644, 13161, 14555, 15194, 17466, 17548, 21935, 22791, 26322, 29110, 30388, 34932, 37985, 43665, 43870, 45582, 52644, 58220, 65805, 75970, 87330, 87740, 91164, 113955, 131610, 151940, 174660, 227910, 263220, 311477, 455820, 622954, 934431, 1245908, 1557385, 1868862, 3114770, 3737724, 4672155, 6229540, 9344310, 18688620]

約数ペア:

[(1, 18688620), (2, 9344310), (3, 6229540), (4, 4672155), (5, 3737724), (6, 3114770), (10, 1868862), (12, 1557385), (15, 1245908), (20, 934431), (30, 622954), (41, 455820), (60, 311477), (71, 263220), (82, 227910), (107, 174660), (123, 151940), (142, 131610), (164, 113955), (205, 91164), (213, 87740), (214, 87330), (246, 75970), (284, 65805), (321, 58220), (355, 52644), (410, 45582), (426, 43870), (428, 43665), (492, 37985), (535, 34932), (615, 30388), (642, 29110), (710, 26322), (820, 22791), (852, 21935), (1065, 17548), (1070, 17466), (1230, 15194), (1284, 14555), (1420, 13161), (1605, 11644), (2130, 8774), (2140, 8733), (2460, 7597), (2911, 6420), (3210, 5822), (4260, 4387)]