2018012325

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{28901}}^1$

素因数の和:28947

約数の個数: 72

約数和(自身を含む): 4085586720

約数和(自身を除く): 2067574395

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 133, 147, 175, 245, 285, 399, 475, 525, 665, 735, 931, 1225, 1425, 1995, 2793, 3325, 3675, 4655, 9975, 13965, 23275, 28901, 69825, 86703, 144505, 202307, 433515, 549119, 606921, 722525, 1011535, 1416149, 1647357, 2167575, 2745595, 3034605, 3843833, 4248447, 5057675, 7080745, 8236785, 11531499, 13727975, 15173025, 19219165, 21242235, 26906831, 35403725, 41183925, 57657495, 80720493, 96095825, 106211175, 134534155, 288287475, 403602465, 672670775, 2018012325]

約数ペア:

[(1, 2018012325), (3, 672670775), (5, 403602465), (7, 288287475), (15, 134534155), (19, 106211175), (21, 96095825), (25, 80720493), (35, 57657495), (49, 41183925), (57, 35403725), (75, 26906831), (95, 21242235), (105, 19219165), (133, 15173025), (147, 13727975), (175, 11531499), (245, 8236785), (285, 7080745), (399, 5057675), (475, 4248447), (525, 3843833), (665, 3034605), (735, 2745595), (931, 2167575), (1225, 1647357), (1425, 1416149), (1995, 1011535), (2793, 722525), (3325, 606921), (3675, 549119), (4655, 433515), (9975, 202307), (13965, 144505), (23275, 86703), (28901, 69825)]