19975956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1701

約数の個数: 96

約数和(自身を含む): 62619648

約数和(自身を除く): 42643692

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1663, 1716, 2002, 3003, 3326, 4004, 4989, 6006, 6652, 9978, 11641, 12012, 18293, 19956, 21619, 23282, 34923, 36586, 43238, 46564, 54879, 64857, 69846, 73172, 86476, 109758, 128051, 129714, 139692, 151333, 219516, 237809, 256102, 259428, 302666, 384153, 453999, 475618, 512204, 605332, 713427, 768306, 907998, 951236, 1426854, 1536612, 1664663, 1815996, 2853708, 3329326, 4993989, 6658652, 9987978, 19975956]

約数ペア:

[(1, 19975956), (2, 9987978), (3, 6658652), (4, 4993989), (6, 3329326), (7, 2853708), (11, 1815996), (12, 1664663), (13, 1536612), (14, 1426854), (21, 951236), (22, 907998), (26, 768306), (28, 713427), (33, 605332), (39, 512204), (42, 475618), (44, 453999), (52, 384153), (66, 302666), (77, 259428), (78, 256102), (84, 237809), (91, 219516), (132, 151333), (143, 139692), (154, 129714), (156, 128051), (182, 109758), (231, 86476), (273, 73172), (286, 69846), (308, 64857), (364, 54879), (429, 46564), (462, 43238), (546, 36586), (572, 34923), (858, 23282), (924, 21619), (1001, 19956), (1092, 18293), (1663, 12012), (1716, 11641), (2002, 9978), (3003, 6652), (3326, 6006), (4004, 4989)]