19456960

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1483}}^1$

素因数の和:1541

約数の個数: 56

約数和(自身を含む): 47493936

約数和(自身を除く): 28036976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1483, 1640, 2624, 2966, 3280, 5932, 6560, 7415, 11864, 13120, 14830, 23728, 29660, 47456, 59320, 60803, 94912, 118640, 121606, 237280, 243212, 304015, 474560, 486424, 608030, 972848, 1216060, 1945696, 2432120, 3891392, 4864240, 9728480, 19456960]

約数ペア:

[(1, 19456960), (2, 9728480), (4, 4864240), (5, 3891392), (8, 2432120), (10, 1945696), (16, 1216060), (20, 972848), (32, 608030), (40, 486424), (41, 474560), (64, 304015), (80, 243212), (82, 237280), (160, 121606), (164, 118640), (205, 94912), (320, 60803), (328, 59320), (410, 47456), (656, 29660), (820, 23728), (1312, 14830), (1483, 13120), (1640, 11864), (2624, 7415), (2966, 6560), (3280, 5932)]