19878408

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1363

約数の個数: 96

約数和(自身を含む): 61869600

約数和(自身を除く): 41991192

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 33, 36, 38, 44, 57, 66, 72, 76, 88, 99, 114, 132, 152, 171, 198, 209, 228, 264, 342, 396, 418, 456, 627, 684, 792, 836, 1254, 1321, 1368, 1672, 1881, 2508, 2642, 3762, 3963, 5016, 5284, 7524, 7926, 10568, 11889, 14531, 15048, 15852, 23778, 25099, 29062, 31704, 43593, 47556, 50198, 58124, 75297, 87186, 95112, 100396, 116248, 130779, 150594, 174372, 200792, 225891, 261558, 276089, 301188, 348744, 451782, 523116, 552178, 602376, 828267, 903564, 1046232, 1104356, 1656534, 1807128, 2208712, 2484801, 3313068, 4969602, 6626136, 9939204, 19878408]

約数ペア:

[(1, 19878408), (2, 9939204), (3, 6626136), (4, 4969602), (6, 3313068), (8, 2484801), (9, 2208712), (11, 1807128), (12, 1656534), (18, 1104356), (19, 1046232), (22, 903564), (24, 828267), (33, 602376), (36, 552178), (38, 523116), (44, 451782), (57, 348744), (66, 301188), (72, 276089), (76, 261558), (88, 225891), (99, 200792), (114, 174372), (132, 150594), (152, 130779), (171, 116248), (198, 100396), (209, 95112), (228, 87186), (264, 75297), (342, 58124), (396, 50198), (418, 47556), (456, 43593), (627, 31704), (684, 29062), (792, 25099), (836, 23778), (1254, 15852), (1321, 15048), (1368, 14531), (1672, 11889), (1881, 10568), (2508, 7926), (2642, 7524), (3762, 5284), (3963, 5016)]