18384444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 50562512

約数和(自身を除く): 32178068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 163, 234, 241, 326, 468, 482, 489, 652, 723, 964, 978, 1446, 1467, 1956, 2119, 2169, 2892, 2934, 3133, 4238, 4338, 5868, 6266, 6357, 8476, 8676, 9399, 12532, 12714, 18798, 19071, 25428, 28197, 37596, 38142, 39283, 56394, 76284, 78566, 112788, 117849, 157132, 235698, 353547, 471396, 510679, 707094, 1021358, 1414188, 1532037, 2042716, 3064074, 4596111, 6128148, 9192222, 18384444]

約数ペア:

[(1, 18384444), (2, 9192222), (3, 6128148), (4, 4596111), (6, 3064074), (9, 2042716), (12, 1532037), (13, 1414188), (18, 1021358), (26, 707094), (36, 510679), (39, 471396), (52, 353547), (78, 235698), (117, 157132), (156, 117849), (163, 112788), (234, 78566), (241, 76284), (326, 56394), (468, 39283), (482, 38142), (489, 37596), (652, 28197), (723, 25428), (964, 19071), (978, 18798), (1446, 12714), (1467, 12532), (1956, 9399), (2119, 8676), (2169, 8476), (2892, 6357), (2934, 6266), (3133, 5868), (4238, 4338)]