19236828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 48615840

約数和(自身を除く): 29379012

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 317, 389, 634, 778, 951, 1167, 1268, 1556, 1902, 2334, 3804, 4121, 4668, 5057, 8242, 10114, 12363, 15171, 16484, 20228, 24726, 30342, 49452, 60684, 123313, 246626, 369939, 493252, 739878, 1479756, 1603069, 3206138, 4809207, 6412276, 9618414, 19236828]

約数ペア:

[(1, 19236828), (2, 9618414), (3, 6412276), (4, 4809207), (6, 3206138), (12, 1603069), (13, 1479756), (26, 739878), (39, 493252), (52, 369939), (78, 246626), (156, 123313), (317, 60684), (389, 49452), (634, 30342), (778, 24726), (951, 20228), (1167, 16484), (1268, 15171), (1556, 12363), (1902, 10114), (2334, 8242), (3804, 5057), (4121, 4668)]