16988622

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 41664000

約数和(自身を除く): 24675378

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 61, 114, 122, 133, 183, 266, 349, 366, 399, 427, 698, 798, 854, 1047, 1159, 1281, 2094, 2318, 2443, 2562, 3477, 4886, 6631, 6954, 7329, 8113, 13262, 14658, 16226, 19893, 21289, 24339, 39786, 42578, 46417, 48678, 63867, 92834, 127734, 139251, 149023, 278502, 298046, 404491, 447069, 808982, 894138, 1213473, 2426946, 2831437, 5662874, 8494311, 16988622]

約数ペア:

[(1, 16988622), (2, 8494311), (3, 5662874), (6, 2831437), (7, 2426946), (14, 1213473), (19, 894138), (21, 808982), (38, 447069), (42, 404491), (57, 298046), (61, 278502), (114, 149023), (122, 139251), (133, 127734), (183, 92834), (266, 63867), (349, 48678), (366, 46417), (399, 42578), (427, 39786), (698, 24339), (798, 21289), (854, 19893), (1047, 16226), (1159, 14658), (1281, 13262), (2094, 8113), (2318, 7329), (2443, 6954), (2562, 6631), (3477, 4886)]