19172088

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20483}}^1$

素因数の和:20508

約数の個数: 48

約数和(自身を含む): 55921320

約数和(自身を除く): 36749232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20483, 40966, 61449, 81932, 122898, 163864, 184347, 245796, 266279, 368694, 491592, 532558, 737388, 798837, 1065116, 1474776, 1597674, 2130232, 2396511, 3195348, 4793022, 6390696, 9586044, 19172088]

約数ペア:

[(1, 19172088), (2, 9586044), (3, 6390696), (4, 4793022), (6, 3195348), (8, 2396511), (9, 2130232), (12, 1597674), (13, 1474776), (18, 1065116), (24, 798837), (26, 737388), (36, 532558), (39, 491592), (52, 368694), (72, 266279), (78, 245796), (104, 184347), (117, 163864), (156, 122898), (234, 81932), (312, 61449), (468, 40966), (936, 20483)]