18955986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 27492654

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 139, 191, 238, 278, 357, 382, 417, 573, 714, 834, 973, 1146, 1337, 1946, 2363, 2674, 2919, 3247, 4011, 4726, 5838, 6494, 7089, 8022, 9741, 14178, 16541, 19482, 22729, 26549, 33082, 45458, 49623, 53098, 68187, 79647, 99246, 136374, 159294, 185843, 371686, 451333, 557529, 902666, 1115058, 1353999, 2707998, 3159331, 6318662, 9477993, 18955986]

約数ペア:

[(1, 18955986), (2, 9477993), (3, 6318662), (6, 3159331), (7, 2707998), (14, 1353999), (17, 1115058), (21, 902666), (34, 557529), (42, 451333), (51, 371686), (102, 185843), (119, 159294), (139, 136374), (191, 99246), (238, 79647), (278, 68187), (357, 53098), (382, 49623), (417, 45458), (573, 33082), (714, 26549), (834, 22729), (973, 19482), (1146, 16541), (1337, 14178), (1946, 9741), (2363, 8022), (2674, 7089), (2919, 6494), (3247, 5838), (4011, 4726)]