19604960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6449}}^1$

素因数の和:6483

約数の個数: 48

約数和(自身を含む): 48762000

約数和(自身を除く): 29157040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6449, 12898, 25796, 32245, 51592, 64490, 103184, 122531, 128980, 206368, 245062, 257960, 490124, 515920, 612655, 980248, 1031840, 1225310, 1960496, 2450620, 3920992, 4901240, 9802480, 19604960]

約数ペア:

[(1, 19604960), (2, 9802480), (4, 4901240), (5, 3920992), (8, 2450620), (10, 1960496), (16, 1225310), (19, 1031840), (20, 980248), (32, 612655), (38, 515920), (40, 490124), (76, 257960), (80, 245062), (95, 206368), (152, 128980), (160, 122531), (190, 103184), (304, 64490), (380, 51592), (608, 32245), (760, 25796), (1520, 12898), (3040, 6449)]