17931940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4057}}^1$

素因数の和:4096

約数の個数: 48

約数和(自身を含む): 42949872

約数和(自身を除く): 25017932

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4057, 4420, 8114, 16228, 20285, 40570, 52741, 68969, 81140, 105482, 137938, 210964, 263705, 275876, 344845, 527410, 689690, 896597, 1054820, 1379380, 1793194, 3586388, 4482985, 8965970, 17931940]

約数ペア:

[(1, 17931940), (2, 8965970), (4, 4482985), (5, 3586388), (10, 1793194), (13, 1379380), (17, 1054820), (20, 896597), (26, 689690), (34, 527410), (52, 344845), (65, 275876), (68, 263705), (85, 210964), (130, 137938), (170, 105482), (221, 81140), (260, 68969), (340, 52741), (442, 40570), (884, 20285), (1105, 16228), (2210, 8114), (4057, 4420)]