19286460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{983}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 59099040

約数和(自身を除く): 39812580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 983, 1090, 1308, 1635, 1962, 1966, 2180, 2949, 3270, 3924, 3932, 4905, 4915, 5898, 6540, 8847, 9810, 9830, 11796, 14745, 17694, 19620, 19660, 29490, 35388, 44235, 58980, 88470, 107147, 176940, 214294, 321441, 428588, 535735, 642882, 964323, 1071470, 1285764, 1607205, 1928646, 2142940, 3214410, 3857292, 4821615, 6428820, 9643230, 19286460]

約数ペア:

[(1, 19286460), (2, 9643230), (3, 6428820), (4, 4821615), (5, 3857292), (6, 3214410), (9, 2142940), (10, 1928646), (12, 1607205), (15, 1285764), (18, 1071470), (20, 964323), (30, 642882), (36, 535735), (45, 428588), (60, 321441), (90, 214294), (109, 176940), (180, 107147), (218, 88470), (327, 58980), (436, 44235), (545, 35388), (654, 29490), (981, 19660), (983, 19620), (1090, 17694), (1308, 14745), (1635, 11796), (1962, 9830), (1966, 9810), (2180, 8847), (2949, 6540), (3270, 5898), (3924, 4915), (3932, 4905)]