17864748

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 49729680

約数和(自身を除く): 31864932

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 197, 198, 229, 394, 396, 458, 591, 687, 788, 916, 1182, 1374, 1773, 2061, 2167, 2364, 2519, 2748, 3546, 4122, 4334, 5038, 6501, 7092, 7557, 8244, 8668, 10076, 13002, 15114, 19503, 22671, 26004, 30228, 39006, 45113, 45342, 78012, 90226, 90684, 135339, 180452, 270678, 406017, 496243, 541356, 812034, 992486, 1488729, 1624068, 1984972, 2977458, 4466187, 5954916, 8932374, 17864748]

約数ペア:

[(1, 17864748), (2, 8932374), (3, 5954916), (4, 4466187), (6, 2977458), (9, 1984972), (11, 1624068), (12, 1488729), (18, 992486), (22, 812034), (33, 541356), (36, 496243), (44, 406017), (66, 270678), (99, 180452), (132, 135339), (197, 90684), (198, 90226), (229, 78012), (394, 45342), (396, 45113), (458, 39006), (591, 30228), (687, 26004), (788, 22671), (916, 19503), (1182, 15114), (1374, 13002), (1773, 10076), (2061, 8668), (2167, 8244), (2364, 7557), (2519, 7092), (2748, 6501), (3546, 5038), (4122, 4334)]