18405630

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:783

約数の個数: 80

約数和(自身を含む): 51156864

約数和(自身を除く): 32751234

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 270, 279, 310, 405, 465, 558, 733, 810, 837, 930, 1395, 1466, 1674, 2199, 2511, 2790, 3665, 4185, 4398, 5022, 6597, 7330, 8370, 10995, 12555, 13194, 19791, 21990, 22723, 25110, 32985, 39582, 45446, 59373, 65970, 68169, 98955, 113615, 118746, 136338, 197910, 204507, 227230, 296865, 340845, 409014, 593730, 613521, 681690, 1022535, 1227042, 1840563, 2045070, 3067605, 3681126, 6135210, 9202815, 18405630]

約数ペア:

[(1, 18405630), (2, 9202815), (3, 6135210), (5, 3681126), (6, 3067605), (9, 2045070), (10, 1840563), (15, 1227042), (18, 1022535), (27, 681690), (30, 613521), (31, 593730), (45, 409014), (54, 340845), (62, 296865), (81, 227230), (90, 204507), (93, 197910), (135, 136338), (155, 118746), (162, 113615), (186, 98955), (270, 68169), (279, 65970), (310, 59373), (405, 45446), (465, 39582), (558, 32985), (733, 25110), (810, 22723), (837, 21990), (930, 19791), (1395, 13194), (1466, 12555), (1674, 10995), (2199, 8370), (2511, 7330), (2790, 6597), (3665, 5022), (4185, 4398)]