18732810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1647

約数の個数: 64

約数和(自身を含む): 49704192

約数和(自身を除く): 30971382

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 115, 138, 170, 230, 255, 345, 391, 510, 690, 782, 1173, 1597, 1955, 2346, 3194, 3910, 4791, 5865, 7985, 9582, 11730, 15970, 23955, 27149, 36731, 47910, 54298, 73462, 81447, 110193, 135745, 162894, 183655, 220386, 271490, 367310, 407235, 550965, 624427, 814470, 1101930, 1248854, 1873281, 3122135, 3746562, 6244270, 9366405, 18732810]

約数ペア:

[(1, 18732810), (2, 9366405), (3, 6244270), (5, 3746562), (6, 3122135), (10, 1873281), (15, 1248854), (17, 1101930), (23, 814470), (30, 624427), (34, 550965), (46, 407235), (51, 367310), (69, 271490), (85, 220386), (102, 183655), (115, 162894), (138, 135745), (170, 110193), (230, 81447), (255, 73462), (345, 54298), (391, 47910), (510, 36731), (690, 27149), (782, 23955), (1173, 15970), (1597, 11730), (1955, 9582), (2346, 7985), (3194, 5865), (3910, 4791)]