18703620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7993}}^1$

素因数の和:8021

約数の個数: 72

約数和(自身を含む): 61106136

約数和(自身を除く): 42402516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7993, 15986, 23979, 31972, 39965, 47958, 71937, 79930, 95916, 103909, 119895, 143874, 159860, 207818, 239790, 287748, 311727, 359685, 415636, 479580, 519545, 623454, 719370, 935181, 1039090, 1246908, 1438740, 1558635, 1870362, 2078180, 3117270, 3740724, 4675905, 6234540, 9351810, 18703620]

約数ペア:

[(1, 18703620), (2, 9351810), (3, 6234540), (4, 4675905), (5, 3740724), (6, 3117270), (9, 2078180), (10, 1870362), (12, 1558635), (13, 1438740), (15, 1246908), (18, 1039090), (20, 935181), (26, 719370), (30, 623454), (36, 519545), (39, 479580), (45, 415636), (52, 359685), (60, 311727), (65, 287748), (78, 239790), (90, 207818), (117, 159860), (130, 143874), (156, 119895), (180, 103909), (195, 95916), (234, 79930), (260, 71937), (390, 47958), (468, 39965), (585, 31972), (780, 23979), (1170, 15986), (2340, 7993)]