18089120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:574

約数の個数: 96

約数和(自身を含む): 50512896

約数和(自身を除く): 32423776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 521, 560, 620, 868, 992, 1042, 1085, 1120, 1240, 1736, 2084, 2170, 2480, 2605, 3472, 3647, 4168, 4340, 4960, 5210, 6944, 7294, 8336, 8680, 10420, 14588, 16151, 16672, 17360, 18235, 20840, 29176, 32302, 34720, 36470, 41680, 58352, 64604, 72940, 80755, 83360, 113057, 116704, 129208, 145880, 161510, 226114, 258416, 291760, 323020, 452228, 516832, 565285, 583520, 646040, 904456, 1130570, 1292080, 1808912, 2261140, 2584160, 3617824, 4522280, 9044560, 18089120]

約数ペア:

[(1, 18089120), (2, 9044560), (4, 4522280), (5, 3617824), (7, 2584160), (8, 2261140), (10, 1808912), (14, 1292080), (16, 1130570), (20, 904456), (28, 646040), (31, 583520), (32, 565285), (35, 516832), (40, 452228), (56, 323020), (62, 291760), (70, 258416), (80, 226114), (112, 161510), (124, 145880), (140, 129208), (155, 116704), (160, 113057), (217, 83360), (224, 80755), (248, 72940), (280, 64604), (310, 58352), (434, 41680), (496, 36470), (521, 34720), (560, 32302), (620, 29176), (868, 20840), (992, 18235), (1042, 17360), (1085, 16672), (1120, 16151), (1240, 14588), (1736, 10420), (2084, 8680), (2170, 8336), (2480, 7294), (2605, 6944), (3472, 5210), (3647, 4960), (4168, 4340)]