18196178

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 37497600

約数和(自身を除く): 19301422

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 61, 77, 91, 122, 143, 149, 154, 182, 286, 298, 427, 671, 793, 854, 1001, 1043, 1342, 1586, 1639, 1937, 2002, 2086, 3278, 3874, 4697, 5551, 8723, 9089, 9394, 11102, 11473, 13559, 17446, 18178, 21307, 22946, 27118, 42614, 61061, 63623, 99979, 118157, 122122, 127246, 149149, 199958, 236314, 298298, 699853, 827099, 1299727, 1399706, 1654198, 2599454, 9098089, 18196178]

約数ペア:

[(1, 18196178), (2, 9098089), (7, 2599454), (11, 1654198), (13, 1399706), (14, 1299727), (22, 827099), (26, 699853), (61, 298298), (77, 236314), (91, 199958), (122, 149149), (143, 127246), (149, 122122), (154, 118157), (182, 99979), (286, 63623), (298, 61061), (427, 42614), (671, 27118), (793, 22946), (854, 21307), (1001, 18178), (1043, 17446), (1342, 13559), (1586, 11473), (1639, 11102), (1937, 9394), (2002, 9089), (2086, 8723), (3278, 5551), (3874, 4697)]