19278844

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 54

約数和(自身を含む): 39044880

約数和(自身を除く): 19766036

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 79, 158, 169, 247, 316, 338, 361, 494, 676, 722, 988, 1027, 1444, 1501, 2054, 3002, 3211, 4108, 4693, 6004, 6422, 9386, 12844, 13351, 18772, 19513, 26702, 28519, 39026, 53404, 57038, 61009, 78052, 114076, 122018, 244036, 253669, 370747, 507338, 741494, 1014676, 1482988, 4819711, 9639422, 19278844]

約数ペア:

[(1, 19278844), (2, 9639422), (4, 4819711), (13, 1482988), (19, 1014676), (26, 741494), (38, 507338), (52, 370747), (76, 253669), (79, 244036), (158, 122018), (169, 114076), (247, 78052), (316, 61009), (338, 57038), (361, 53404), (494, 39026), (676, 28519), (722, 26702), (988, 19513), (1027, 18772), (1444, 13351), (1501, 12844), (2054, 9386), (3002, 6422), (3211, 6004), (4108, 4693)]