18219825208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1913}}^1\times {\mathrm{5387}}^1$

素因数の和:7336

約数の個数: 64

約数和(自身を含む): 38981748960

約数和(自身を除く): 20761923752

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 1913, 3826, 5387, 7652, 10774, 15304, 21548, 24869, 32521, 43096, 49738, 65042, 70031, 91579, 99476, 130084, 140062, 183158, 198952, 260168, 280124, 366316, 422773, 560248, 732632, 845546, 1190527, 1691092, 2381054, 3382184, 4762108, 9524216, 10305331, 20610662, 41221324, 82442648, 133969303, 175190627, 267938606, 350381254, 535877212, 700762508, 1071754424, 1401525016, 2277478151, 4554956302, 9109912604, 18219825208]

約数ペア:

[(1, 18219825208), (2, 9109912604), (4, 4554956302), (8, 2277478151), (13, 1401525016), (17, 1071754424), (26, 700762508), (34, 535877212), (52, 350381254), (68, 267938606), (104, 175190627), (136, 133969303), (221, 82442648), (442, 41221324), (884, 20610662), (1768, 10305331), (1913, 9524216), (3826, 4762108), (5387, 3382184), (7652, 2381054), (10774, 1691092), (15304, 1190527), (21548, 845546), (24869, 732632), (32521, 560248), (43096, 422773), (49738, 366316), (65042, 280124), (70031, 260168), (91579, 198952), (99476, 183158), (130084, 140062)]