19968228

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:514

約数の個数: 96

約数和(自身を含む): 60273920

約数和(自身を除く): 40305692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 61, 63, 84, 108, 122, 126, 183, 189, 244, 252, 366, 378, 427, 433, 549, 732, 756, 854, 866, 1098, 1281, 1299, 1647, 1708, 1732, 2196, 2562, 2598, 3031, 3294, 3843, 3897, 5124, 5196, 6062, 6588, 7686, 7794, 9093, 11529, 11691, 12124, 15372, 15588, 18186, 23058, 23382, 26413, 27279, 36372, 46116, 46764, 52826, 54558, 79239, 81837, 105652, 109116, 158478, 163674, 184891, 237717, 316956, 327348, 369782, 475434, 554673, 713151, 739564, 950868, 1109346, 1426302, 1664019, 2218692, 2852604, 3328038, 4992057, 6656076, 9984114, 19968228]

約数ペア:

[(1, 19968228), (2, 9984114), (3, 6656076), (4, 4992057), (6, 3328038), (7, 2852604), (9, 2218692), (12, 1664019), (14, 1426302), (18, 1109346), (21, 950868), (27, 739564), (28, 713151), (36, 554673), (42, 475434), (54, 369782), (61, 327348), (63, 316956), (84, 237717), (108, 184891), (122, 163674), (126, 158478), (183, 109116), (189, 105652), (244, 81837), (252, 79239), (366, 54558), (378, 52826), (427, 46764), (433, 46116), (549, 36372), (732, 27279), (756, 26413), (854, 23382), (866, 23058), (1098, 18186), (1281, 15588), (1299, 15372), (1647, 12124), (1708, 11691), (1732, 11529), (2196, 9093), (2562, 7794), (2598, 7686), (3031, 6588), (3294, 6062), (3843, 5196), (3897, 5124)]