18145540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 46577664

約数和(自身を除く): 28432124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 62, 70, 74, 113, 124, 140, 148, 155, 185, 217, 226, 259, 310, 370, 434, 452, 518, 565, 620, 740, 791, 868, 1036, 1085, 1130, 1147, 1295, 1582, 2170, 2260, 2294, 2590, 3164, 3503, 3955, 4181, 4340, 4588, 5180, 5735, 7006, 7910, 8029, 8362, 11470, 14012, 15820, 16058, 16724, 17515, 20905, 22940, 24521, 29267, 32116, 35030, 40145, 41810, 49042, 58534, 70060, 80290, 83620, 98084, 117068, 122605, 129611, 146335, 160580, 245210, 259222, 292670, 490420, 518444, 585340, 648055, 907277, 1296110, 1814554, 2592220, 3629108, 4536385, 9072770, 18145540]

約数ペア:

[(1, 18145540), (2, 9072770), (4, 4536385), (5, 3629108), (7, 2592220), (10, 1814554), (14, 1296110), (20, 907277), (28, 648055), (31, 585340), (35, 518444), (37, 490420), (62, 292670), (70, 259222), (74, 245210), (113, 160580), (124, 146335), (140, 129611), (148, 122605), (155, 117068), (185, 98084), (217, 83620), (226, 80290), (259, 70060), (310, 58534), (370, 49042), (434, 41810), (452, 40145), (518, 35030), (565, 32116), (620, 29267), (740, 24521), (791, 22940), (868, 20905), (1036, 17515), (1085, 16724), (1130, 16058), (1147, 15820), (1295, 14012), (1582, 11470), (2170, 8362), (2260, 8029), (2294, 7910), (2590, 7006), (3164, 5735), (3503, 5180), (3955, 4588), (4181, 4340)]