19386870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 48288960

約数和(自身を除く): 28902090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 89, 106, 137, 159, 178, 265, 267, 274, 318, 411, 445, 530, 534, 685, 795, 822, 890, 1335, 1370, 1590, 2055, 2670, 4110, 4717, 7261, 9434, 12193, 14151, 14522, 21783, 23585, 24386, 28302, 36305, 36579, 43566, 47170, 60965, 70755, 72610, 73158, 108915, 121930, 141510, 182895, 217830, 365790, 646229, 1292458, 1938687, 3231145, 3877374, 6462290, 9693435, 19386870]

約数ペア:

[(1, 19386870), (2, 9693435), (3, 6462290), (5, 3877374), (6, 3231145), (10, 1938687), (15, 1292458), (30, 646229), (53, 365790), (89, 217830), (106, 182895), (137, 141510), (159, 121930), (178, 108915), (265, 73158), (267, 72610), (274, 70755), (318, 60965), (411, 47170), (445, 43566), (530, 36579), (534, 36305), (685, 28302), (795, 24386), (822, 23585), (890, 21783), (1335, 14522), (1370, 14151), (1590, 12193), (2055, 9434), (2670, 7261), (4110, 4717)]