18835336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2969}}^1$

素因数の和:3049

約数の個数: 32

約数和(自身を含む): 38669400

約数和(自身を除く): 19834064

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 2969, 3172, 5938, 6344, 11876, 23752, 38597, 77194, 154388, 181109, 308776, 362218, 724436, 1448872, 2354417, 4708834, 9417668, 18835336]

約数ペア:

[(1, 18835336), (2, 9417668), (4, 4708834), (8, 2354417), (13, 1448872), (26, 724436), (52, 362218), (61, 308776), (104, 181109), (122, 154388), (244, 77194), (488, 38597), (793, 23752), (1586, 11876), (2969, 6344), (3172, 5938)]