18089730

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1013

約数の個数: 80

約数和(自身を含む): 50808384

約数和(自身を除く): 32718654

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 162, 207, 230, 270, 345, 405, 414, 621, 690, 810, 971, 1035, 1242, 1863, 1942, 2070, 2913, 3105, 3726, 4855, 5826, 6210, 8739, 9315, 9710, 14565, 17478, 18630, 22333, 26217, 29130, 43695, 44666, 52434, 66999, 78651, 87390, 111665, 131085, 133998, 157302, 200997, 223330, 262170, 334995, 393255, 401994, 602991, 669990, 786510, 1004985, 1205982, 1808973, 2009970, 3014955, 3617946, 6029910, 9044865, 18089730]

約数ペア:

[(1, 18089730), (2, 9044865), (3, 6029910), (5, 3617946), (6, 3014955), (9, 2009970), (10, 1808973), (15, 1205982), (18, 1004985), (23, 786510), (27, 669990), (30, 602991), (45, 401994), (46, 393255), (54, 334995), (69, 262170), (81, 223330), (90, 200997), (115, 157302), (135, 133998), (138, 131085), (162, 111665), (207, 87390), (230, 78651), (270, 66999), (345, 52434), (405, 44666), (414, 43695), (621, 29130), (690, 26217), (810, 22333), (971, 18630), (1035, 17478), (1242, 14565), (1863, 9710), (1942, 9315), (2070, 8739), (2913, 6210), (3105, 5826), (3726, 4855)]