18949206546

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^2\times {\mathrm{79}}^1\times {\mathrm{7207}}^1$

素因数の和:7380

約数の個数: 72

約数和(自身を含む): 42571601280

約数和(自身を除く): 23622394734

約数列:

[1, 2, 3, 6, 9, 18, 43, 79, 86, 129, 158, 237, 258, 387, 474, 711, 774, 1422, 1849, 3397, 3698, 5547, 6794, 7207, 10191, 11094, 14414, 16641, 20382, 21621, 30573, 33282, 43242, 61146, 64863, 129726, 146071, 292142, 309901, 438213, 569353, 619802, 876426, 929703, 1138706, 1314639, 1708059, 1859406, 2629278, 2789109, 3416118, 5124177, 5578218, 10248354, 13325743, 24482179, 26651486, 39977229, 48964358, 73446537, 79954458, 119931687, 146893074, 220339611, 239863374, 440679222, 1052733697, 2105467394, 3158201091, 6316402182, 9474603273, 18949206546]

約数ペア:

[(1, 18949206546), (2, 9474603273), (3, 6316402182), (6, 3158201091), (9, 2105467394), (18, 1052733697), (43, 440679222), (79, 239863374), (86, 220339611), (129, 146893074), (158, 119931687), (237, 79954458), (258, 73446537), (387, 48964358), (474, 39977229), (711, 26651486), (774, 24482179), (1422, 13325743), (1849, 10248354), (3397, 5578218), (3698, 5124177), (5547, 3416118), (6794, 2789109), (7207, 2629278), (10191, 1859406), (11094, 1708059), (14414, 1314639), (16641, 1138706), (20382, 929703), (21621, 876426), (30573, 619802), (33282, 569353), (43242, 438213), (61146, 309901), (64863, 292142), (129726, 146071)]