18250020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1913}}^1$

素因数の和:1981

約数の個数: 72

約数和(自身を含む): 56432376

約数和(自身を除く): 38182356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 1913, 2385, 3180, 3826, 4770, 5739, 7652, 9540, 9565, 11478, 17217, 19130, 22956, 28695, 34434, 38260, 57390, 68868, 86085, 101389, 114780, 172170, 202778, 304167, 344340, 405556, 506945, 608334, 912501, 1013890, 1216668, 1520835, 1825002, 2027780, 3041670, 3650004, 4562505, 6083340, 9125010, 18250020]

約数ペア:

[(1, 18250020), (2, 9125010), (3, 6083340), (4, 4562505), (5, 3650004), (6, 3041670), (9, 2027780), (10, 1825002), (12, 1520835), (15, 1216668), (18, 1013890), (20, 912501), (30, 608334), (36, 506945), (45, 405556), (53, 344340), (60, 304167), (90, 202778), (106, 172170), (159, 114780), (180, 101389), (212, 86085), (265, 68868), (318, 57390), (477, 38260), (530, 34434), (636, 28695), (795, 22956), (954, 19130), (1060, 17217), (1590, 11478), (1908, 9565), (1913, 9540), (2385, 7652), (3180, 5739), (3826, 4770)]