18284994

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 50843520

約数和(自身を除く): 32558526

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 61, 63, 78, 91, 117, 122, 126, 182, 183, 189, 234, 273, 351, 366, 378, 427, 546, 549, 702, 793, 819, 854, 1098, 1281, 1586, 1638, 1647, 2379, 2457, 2562, 3294, 3721, 3843, 4758, 4914, 5551, 7137, 7442, 7686, 11102, 11163, 11529, 14274, 16653, 21411, 22326, 23058, 26047, 33306, 33489, 42822, 48373, 49959, 52094, 66978, 78141, 96746, 99918, 100467, 145119, 149877, 156282, 200934, 234423, 290238, 299754, 338611, 435357, 468846, 677222, 703269, 870714, 1015833, 1306071, 1406538, 2031666, 2612142, 3047499, 6094998, 9142497, 18284994]

約数ペア:

[(1, 18284994), (2, 9142497), (3, 6094998), (6, 3047499), (7, 2612142), (9, 2031666), (13, 1406538), (14, 1306071), (18, 1015833), (21, 870714), (26, 703269), (27, 677222), (39, 468846), (42, 435357), (54, 338611), (61, 299754), (63, 290238), (78, 234423), (91, 200934), (117, 156282), (122, 149877), (126, 145119), (182, 100467), (183, 99918), (189, 96746), (234, 78141), (273, 66978), (351, 52094), (366, 49959), (378, 48373), (427, 42822), (546, 33489), (549, 33306), (702, 26047), (793, 23058), (819, 22326), (854, 21411), (1098, 16653), (1281, 14274), (1586, 11529), (1638, 11163), (1647, 11102), (2379, 7686), (2457, 7442), (2562, 7137), (3294, 5551), (3721, 4914), (3843, 4758)]