19808568

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21163}}^1$

素因数の和:21188

約数の個数: 48

約数和(自身を含む): 57777720

約数和(自身を除く): 37969152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21163, 42326, 63489, 84652, 126978, 169304, 190467, 253956, 275119, 380934, 507912, 550238, 761868, 825357, 1100476, 1523736, 1650714, 2200952, 2476071, 3301428, 4952142, 6602856, 9904284, 19808568]

約数ペア:

[(1, 19808568), (2, 9904284), (3, 6602856), (4, 4952142), (6, 3301428), (8, 2476071), (9, 2200952), (12, 1650714), (13, 1523736), (18, 1100476), (24, 825357), (26, 761868), (36, 550238), (39, 507912), (52, 380934), (72, 275119), (78, 253956), (104, 190467), (117, 169304), (156, 126978), (234, 84652), (312, 63489), (468, 42326), (936, 21163)]