18306990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15647}}^1$

素因数の和:15673

約数の個数: 48

約数和(自身を含む): 51262848

約数和(自身を除く): 32955858

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 15647, 31294, 46941, 78235, 93882, 140823, 156470, 203411, 234705, 281646, 406822, 469410, 610233, 704115, 1017055, 1220466, 1408230, 1830699, 2034110, 3051165, 3661398, 6102330, 9153495, 18306990]

約数ペア:

[(1, 18306990), (2, 9153495), (3, 6102330), (5, 3661398), (6, 3051165), (9, 2034110), (10, 1830699), (13, 1408230), (15, 1220466), (18, 1017055), (26, 704115), (30, 610233), (39, 469410), (45, 406822), (65, 281646), (78, 234705), (90, 203411), (117, 156470), (130, 140823), (195, 93882), (234, 78235), (390, 46941), (585, 31294), (1170, 15647)]