18089910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 72

約数和(自身を含む): 48915360

約数和(自身を除く): 30825450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 239, 261, 290, 435, 478, 522, 717, 841, 870, 1195, 1305, 1434, 1682, 2151, 2390, 2523, 2610, 3585, 4205, 4302, 5046, 6931, 7170, 7569, 8410, 10755, 12615, 13862, 15138, 20793, 21510, 25230, 34655, 37845, 41586, 62379, 69310, 75690, 103965, 124758, 200999, 207930, 311895, 401998, 602997, 623790, 1004995, 1205994, 1808991, 2009990, 3014985, 3617982, 6029970, 9044955, 18089910]

約数ペア:

[(1, 18089910), (2, 9044955), (3, 6029970), (5, 3617982), (6, 3014985), (9, 2009990), (10, 1808991), (15, 1205994), (18, 1004995), (29, 623790), (30, 602997), (45, 401998), (58, 311895), (87, 207930), (90, 200999), (145, 124758), (174, 103965), (239, 75690), (261, 69310), (290, 62379), (435, 41586), (478, 37845), (522, 34655), (717, 25230), (841, 21510), (870, 20793), (1195, 15138), (1305, 13862), (1434, 12615), (1682, 10755), (2151, 8410), (2390, 7569), (2523, 7170), (2610, 6931), (3585, 5046), (4205, 4302)]