19375980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24841}}^1$

素因数の和:24866

約数の個数: 48

約数和(自身を含む): 58428384

約数和(自身を除く): 39052404

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, 24841, 49682, 74523, 99364, 124205, 149046, 248410, 298092, 322933, 372615, 496820, 645866, 745230, 968799, 1291732, 1490460, 1614665, 1937598, 3229330, 3875196, 4843995, 6458660, 9687990, 19375980]

約数ペア:

[(1, 19375980), (2, 9687990), (3, 6458660), (4, 4843995), (5, 3875196), (6, 3229330), (10, 1937598), (12, 1614665), (13, 1490460), (15, 1291732), (20, 968799), (26, 745230), (30, 645866), (39, 496820), (52, 372615), (60, 322933), (65, 298092), (78, 248410), (130, 149046), (156, 124205), (195, 99364), (260, 74523), (390, 49682), (780, 24841)]