19657472

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2477}}^1$

素因数の和:2524

約数の個数: 36

約数和(自身を含む): 40520256

約数和(自身を除く): 20862784

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2477, 3968, 4954, 7936, 9908, 19816, 39632, 76787, 79264, 153574, 158528, 307148, 317056, 614296, 634112, 1228592, 2457184, 4914368, 9828736, 19657472]

約数ペア:

[(1, 19657472), (2, 9828736), (4, 4914368), (8, 2457184), (16, 1228592), (31, 634112), (32, 614296), (62, 317056), (64, 307148), (124, 158528), (128, 153574), (248, 79264), (256, 76787), (496, 39632), (992, 19816), (1984, 9908), (2477, 7936), (3968, 4954)]