18584475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 38591280

約数和(自身を除く): 20006805

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 91, 105, 147, 175, 195, 245, 273, 325, 389, 455, 525, 637, 735, 975, 1167, 1225, 1365, 1911, 1945, 2275, 2723, 3185, 3675, 5057, 5835, 6825, 8169, 9555, 9725, 13615, 15171, 15925, 19061, 25285, 29175, 35399, 40845, 47775, 57183, 68075, 75855, 95305, 106197, 126425, 176995, 204225, 247793, 285915, 379275, 476525, 530985, 743379, 884975, 1238965, 1429575, 2654925, 3716895, 6194825, 18584475]

約数ペア:

[(1, 18584475), (3, 6194825), (5, 3716895), (7, 2654925), (13, 1429575), (15, 1238965), (21, 884975), (25, 743379), (35, 530985), (39, 476525), (49, 379275), (65, 285915), (75, 247793), (91, 204225), (105, 176995), (147, 126425), (175, 106197), (195, 95305), (245, 75855), (273, 68075), (325, 57183), (389, 47775), (455, 40845), (525, 35399), (637, 29175), (735, 25285), (975, 19061), (1167, 15925), (1225, 15171), (1365, 13615), (1911, 9725), (1945, 9555), (2275, 8169), (2723, 6825), (3185, 5835), (3675, 5057)]