18185860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 48787200

約数和(自身を除く): 30601340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 241, 245, 308, 343, 385, 482, 490, 539, 686, 770, 964, 980, 1078, 1205, 1372, 1540, 1687, 1715, 2156, 2410, 2651, 2695, 3374, 3430, 3773, 4820, 5302, 5390, 6748, 6860, 7546, 8435, 10604, 10780, 11809, 13255, 15092, 16870, 18557, 18865, 23618, 26510, 33740, 37114, 37730, 47236, 53020, 59045, 74228, 75460, 82663, 92785, 118090, 129899, 165326, 185570, 236180, 259798, 330652, 371140, 413315, 519596, 649495, 826630, 909293, 1298990, 1653260, 1818586, 2597980, 3637172, 4546465, 9092930, 18185860]

約数ペア:

[(1, 18185860), (2, 9092930), (4, 4546465), (5, 3637172), (7, 2597980), (10, 1818586), (11, 1653260), (14, 1298990), (20, 909293), (22, 826630), (28, 649495), (35, 519596), (44, 413315), (49, 371140), (55, 330652), (70, 259798), (77, 236180), (98, 185570), (110, 165326), (140, 129899), (154, 118090), (196, 92785), (220, 82663), (241, 75460), (245, 74228), (308, 59045), (343, 53020), (385, 47236), (482, 37730), (490, 37114), (539, 33740), (686, 26510), (770, 23618), (964, 18865), (980, 18557), (1078, 16870), (1205, 15092), (1372, 13255), (1540, 11809), (1687, 10780), (1715, 10604), (2156, 8435), (2410, 7546), (2651, 6860), (2695, 6748), (3374, 5390), (3430, 5302), (3773, 4820)]