19398840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1316

約数の個数: 64

約数和(自身を含む): 58665600

約数和(自身を除く): 39266760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1163, 1390, 1668, 2085, 2326, 2780, 3336, 3489, 4170, 4652, 5560, 5815, 6978, 8340, 9304, 11630, 13956, 16680, 17445, 23260, 27912, 34890, 46520, 69780, 139560, 161657, 323314, 484971, 646628, 808285, 969942, 1293256, 1616570, 1939884, 2424855, 3233140, 3879768, 4849710, 6466280, 9699420, 19398840]

約数ペア:

[(1, 19398840), (2, 9699420), (3, 6466280), (4, 4849710), (5, 3879768), (6, 3233140), (8, 2424855), (10, 1939884), (12, 1616570), (15, 1293256), (20, 969942), (24, 808285), (30, 646628), (40, 484971), (60, 323314), (120, 161657), (139, 139560), (278, 69780), (417, 46520), (556, 34890), (695, 27912), (834, 23260), (1112, 17445), (1163, 16680), (1390, 13956), (1668, 11630), (2085, 9304), (2326, 8340), (2780, 6978), (3336, 5815), (3489, 5560), (4170, 4652)]