18969825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1614

約数の個数: 48

約数和(自身を含む): 37426176

約数和(自身を除く): 18456351

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1571, 1725, 2415, 4025, 4713, 7855, 10997, 12075, 23565, 32991, 36133, 39275, 54985, 108399, 117825, 164955, 180665, 252931, 274925, 541995, 758793, 824775, 903325, 1264655, 2709975, 3793965, 6323275, 18969825]

約数ペア:

[(1, 18969825), (3, 6323275), (5, 3793965), (7, 2709975), (15, 1264655), (21, 903325), (23, 824775), (25, 758793), (35, 541995), (69, 274925), (75, 252931), (105, 180665), (115, 164955), (161, 117825), (175, 108399), (345, 54985), (483, 39275), (525, 36133), (575, 32991), (805, 23565), (1571, 12075), (1725, 10997), (2415, 7855), (4025, 4713)]