19971688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7321}}^1$

素因数の和:7369

約数の個数: 32

約数和(自身を含む): 42174720

約数和(自身を除く): 22203032

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7321, 14642, 29284, 58568, 80531, 161062, 226951, 322124, 453902, 644248, 907804, 1815608, 2496461, 4992922, 9985844, 19971688]

約数ペア:

[(1, 19971688), (2, 9985844), (4, 4992922), (8, 2496461), (11, 1815608), (22, 907804), (31, 644248), (44, 453902), (62, 322124), (88, 226951), (124, 161062), (248, 80531), (341, 58568), (682, 29284), (1364, 14642), (2728, 7321)]