18969375

素因数分解:

$3^1\times 5^4\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 40

約数和(自身を含む): 32289664

約数和(自身を除く): 13320289

約数列:

[1, 3, 5, 15, 25, 67, 75, 125, 151, 201, 335, 375, 453, 625, 755, 1005, 1675, 1875, 2265, 3775, 5025, 8375, 10117, 11325, 18875, 25125, 30351, 41875, 50585, 56625, 94375, 125625, 151755, 252925, 283125, 758775, 1264625, 3793875, 6323125, 18969375]

約数ペア:

[(1, 18969375), (3, 6323125), (5, 3793875), (15, 1264625), (25, 758775), (67, 283125), (75, 252925), (125, 151755), (151, 125625), (201, 94375), (335, 56625), (375, 50585), (453, 41875), (625, 30351), (755, 25125), (1005, 18875), (1675, 11325), (1875, 10117), (2265, 8375), (3775, 5025)]