18741996

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1940

約数の個数: 96

約数和(自身を含む): 59834880

約数和(自身を除く): 41092884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 1907, 2457, 3276, 3814, 4914, 5721, 7628, 9828, 11442, 13349, 17163, 22884, 24791, 26698, 34326, 40047, 49582, 51489, 53396, 68652, 74373, 80094, 99164, 102978, 120141, 148746, 160188, 173537, 205956, 223119, 240282, 297492, 347074, 360423, 446238, 480564, 520611, 669357, 694148, 720846, 892476, 1041222, 1338714, 1441692, 1561833, 2082444, 2677428, 3123666, 4685499, 6247332, 9370998, 18741996]

約数ペア:

[(1, 18741996), (2, 9370998), (3, 6247332), (4, 4685499), (6, 3123666), (7, 2677428), (9, 2082444), (12, 1561833), (13, 1441692), (14, 1338714), (18, 1041222), (21, 892476), (26, 720846), (27, 694148), (28, 669357), (36, 520611), (39, 480564), (42, 446238), (52, 360423), (54, 347074), (63, 297492), (78, 240282), (84, 223119), (91, 205956), (108, 173537), (117, 160188), (126, 148746), (156, 120141), (182, 102978), (189, 99164), (234, 80094), (252, 74373), (273, 68652), (351, 53396), (364, 51489), (378, 49582), (468, 40047), (546, 34326), (702, 26698), (756, 24791), (819, 22884), (1092, 17163), (1404, 13349), (1638, 11442), (1907, 9828), (2457, 7628), (3276, 5721), (3814, 4914)]