19270875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 35642880

約数和(自身を除く): 16372005

約数列:

[1, 3, 5, 13, 15, 25, 39, 59, 65, 67, 75, 125, 177, 195, 201, 295, 325, 335, 375, 767, 871, 885, 975, 1005, 1475, 1625, 1675, 2301, 2613, 3835, 3953, 4355, 4425, 4875, 5025, 7375, 8375, 11505, 11859, 13065, 19175, 19765, 21775, 22125, 25125, 51389, 57525, 59295, 65325, 95875, 98825, 108875, 154167, 256945, 287625, 296475, 326625, 494125, 770835, 1284725, 1482375, 3854175, 6423625, 19270875]

約数ペア:

[(1, 19270875), (3, 6423625), (5, 3854175), (13, 1482375), (15, 1284725), (25, 770835), (39, 494125), (59, 326625), (65, 296475), (67, 287625), (75, 256945), (125, 154167), (177, 108875), (195, 98825), (201, 95875), (295, 65325), (325, 59295), (335, 57525), (375, 51389), (767, 25125), (871, 22125), (885, 21775), (975, 19765), (1005, 19175), (1475, 13065), (1625, 11859), (1675, 11505), (2301, 8375), (2613, 7375), (3835, 5025), (3953, 4875), (4355, 4425)]