18494775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6323}}^1$

素因数の和:6352

約数の個数: 36

約数和(自身を含む): 35680008

約数和(自身を除く): 17185233

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6323, 18969, 31615, 56907, 82199, 94845, 158075, 246597, 284535, 410995, 474225, 739791, 1232985, 1422675, 2054975, 3698955, 6164925, 18494775]

約数ペア:

[(1, 18494775), (3, 6164925), (5, 3698955), (9, 2054975), (13, 1422675), (15, 1232985), (25, 739791), (39, 474225), (45, 410995), (65, 284535), (75, 246597), (117, 158075), (195, 94845), (225, 82199), (325, 56907), (585, 31615), (975, 18969), (2925, 6323)]