18878328

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{5351}}^1$

素因数の和:5377

約数の個数: 72

約数和(自身を含む): 59487480

約数和(自身を除く): 40609152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 5351, 10702, 16053, 21404, 32106, 37457, 42808, 48159, 64212, 74914, 96318, 112371, 128424, 149828, 192636, 224742, 262199, 299656, 337113, 385272, 449484, 524398, 674226, 786597, 898968, 1048796, 1348452, 1573194, 2097592, 2359791, 2696904, 3146388, 4719582, 6292776, 9439164, 18878328]

約数ペア:

[(1, 18878328), (2, 9439164), (3, 6292776), (4, 4719582), (6, 3146388), (7, 2696904), (8, 2359791), (9, 2097592), (12, 1573194), (14, 1348452), (18, 1048796), (21, 898968), (24, 786597), (28, 674226), (36, 524398), (42, 449484), (49, 385272), (56, 337113), (63, 299656), (72, 262199), (84, 224742), (98, 192636), (126, 149828), (147, 128424), (168, 112371), (196, 96318), (252, 74914), (294, 64212), (392, 48159), (441, 42808), (504, 37457), (588, 32106), (882, 21404), (1176, 16053), (1764, 10702), (3528, 5351)]