18837780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24151}}^1$

素因数の和:24176

約数の個数: 48

約数和(自身を含む): 56805504

約数和(自身を除く): 37967724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24151, 48302, 72453, 96604, 120755, 144906, 241510, 289812, 313963, 362265, 483020, 627926, 724530, 941889, 1255852, 1449060, 1569815, 1883778, 3139630, 3767556, 4709445, 6279260, 9418890, 18837780]

約数ペア:

[(1, 18837780), (2, 9418890), (3, 6279260), (4, 4709445), (5, 3767556), (6, 3139630), (10, 1883778), (12, 1569815), (13, 1449060), (15, 1255852), (20, 941889), (26, 724530), (30, 627926), (39, 483020), (52, 362265), (60, 313963), (65, 289812), (78, 241510), (130, 144906), (156, 120755), (195, 96604), (260, 72453), (390, 48302), (780, 24151)]