18646968

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 48568320

約数和(自身を除く): 29921352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 61, 94, 122, 141, 183, 188, 244, 271, 282, 366, 376, 488, 542, 564, 732, 813, 1084, 1128, 1464, 1626, 2168, 2867, 3252, 5734, 6504, 8601, 11468, 12737, 16531, 17202, 22936, 25474, 33062, 34404, 38211, 49593, 50948, 66124, 68808, 76422, 99186, 101896, 132248, 152844, 198372, 305688, 396744, 776957, 1553914, 2330871, 3107828, 4661742, 6215656, 9323484, 18646968]

約数ペア:

[(1, 18646968), (2, 9323484), (3, 6215656), (4, 4661742), (6, 3107828), (8, 2330871), (12, 1553914), (24, 776957), (47, 396744), (61, 305688), (94, 198372), (122, 152844), (141, 132248), (183, 101896), (188, 99186), (244, 76422), (271, 68808), (282, 66124), (366, 50948), (376, 49593), (488, 38211), (542, 34404), (564, 33062), (732, 25474), (813, 22936), (1084, 17202), (1128, 16531), (1464, 12737), (1626, 11468), (2168, 8601), (2867, 6504), (3252, 5734)]