15811952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4041

約数の個数: 40

約数和(自身を含む): 34737360

約数和(自身を除く): 18925408

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4001, 8002, 16004, 32008, 52013, 64016, 76019, 104026, 152038, 208052, 304076, 416104, 608152, 832208, 988247, 1216304, 1976494, 3952988, 7905976, 15811952]

約数ペア:

[(1, 15811952), (2, 7905976), (4, 3952988), (8, 1976494), (13, 1216304), (16, 988247), (19, 832208), (26, 608152), (38, 416104), (52, 304076), (76, 208052), (104, 152038), (152, 104026), (208, 76019), (247, 64016), (304, 52013), (494, 32008), (988, 16004), (1976, 8002), (3952, 4001)]