18740376

素因数分解:

$2^3\times 3^3\times {\mathrm{53}}^1\times {\mathrm{1637}}^1$

素因数の和:1705

約数の個数: 64

約数和(自身を含む): 53071200

約数和(自身を除く): 34330824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 106, 108, 159, 212, 216, 318, 424, 477, 636, 954, 1272, 1431, 1637, 1908, 2862, 3274, 3816, 4911, 5724, 6548, 9822, 11448, 13096, 14733, 19644, 29466, 39288, 44199, 58932, 86761, 88398, 117864, 173522, 176796, 260283, 347044, 353592, 520566, 694088, 780849, 1041132, 1561698, 2082264, 2342547, 3123396, 4685094, 6246792, 9370188, 18740376]

約数ペア:

[(1, 18740376), (2, 9370188), (3, 6246792), (4, 4685094), (6, 3123396), (8, 2342547), (9, 2082264), (12, 1561698), (18, 1041132), (24, 780849), (27, 694088), (36, 520566), (53, 353592), (54, 347044), (72, 260283), (106, 176796), (108, 173522), (159, 117864), (212, 88398), (216, 86761), (318, 58932), (424, 44199), (477, 39288), (636, 29466), (954, 19644), (1272, 14733), (1431, 13096), (1637, 11448), (1908, 9822), (2862, 6548), (3274, 5724), (3816, 4911)]