19977762

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3631}}^1$

素因数の和:3774

約数の個数: 32

約数和(自身を含む): 46024704

約数和(自身を除く): 26046942

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 786, 917, 1834, 2751, 3631, 5502, 7262, 10893, 21786, 25417, 50834, 76251, 152502, 475661, 951322, 1426983, 2853966, 3329627, 6659254, 9988881, 19977762]

約数ペア:

[(1, 19977762), (2, 9988881), (3, 6659254), (6, 3329627), (7, 2853966), (14, 1426983), (21, 951322), (42, 475661), (131, 152502), (262, 76251), (393, 50834), (786, 25417), (917, 21786), (1834, 10893), (2751, 7262), (3631, 5502)]