19711872

素因数分解:

$2^7\times 3^2\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:332

約数の個数: 96

約数和(自身を含む): 57760560

約数和(自身を除く): 38048688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 128, 142, 144, 192, 213, 241, 284, 288, 384, 426, 482, 568, 576, 639, 723, 852, 964, 1136, 1152, 1278, 1446, 1704, 1928, 2169, 2272, 2556, 2892, 3408, 3856, 4338, 4544, 5112, 5784, 6816, 7712, 8676, 9088, 10224, 11568, 13632, 15424, 17111, 17352, 20448, 23136, 27264, 30848, 34222, 34704, 40896, 46272, 51333, 68444, 69408, 81792, 92544, 102666, 136888, 138816, 153999, 205332, 273776, 277632, 307998, 410664, 547552, 615996, 821328, 1095104, 1231992, 1642656, 2190208, 2463984, 3285312, 4927968, 6570624, 9855936, 19711872]

約数ペア:

[(1, 19711872), (2, 9855936), (3, 6570624), (4, 4927968), (6, 3285312), (8, 2463984), (9, 2190208), (12, 1642656), (16, 1231992), (18, 1095104), (24, 821328), (32, 615996), (36, 547552), (48, 410664), (64, 307998), (71, 277632), (72, 273776), (96, 205332), (128, 153999), (142, 138816), (144, 136888), (192, 102666), (213, 92544), (241, 81792), (284, 69408), (288, 68444), (384, 51333), (426, 46272), (482, 40896), (568, 34704), (576, 34222), (639, 30848), (723, 27264), (852, 23136), (964, 20448), (1136, 17352), (1152, 17111), (1278, 15424), (1446, 13632), (1704, 11568), (1928, 10224), (2169, 9088), (2272, 8676), (2556, 7712), (2892, 6816), (3408, 5784), (3856, 5112), (4338, 4544)]