18921000930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{246271}}^1$

素因数の和:246491

約数の個数: 64

約数和(自身を含む): 49151950848

約数和(自身を除く): 30230949918

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 197, 390, 394, 591, 985, 1182, 1970, 2561, 2955, 5122, 5910, 7683, 12805, 15366, 25610, 38415, 76830, 246271, 492542, 738813, 1231355, 1477626, 2462710, 3201523, 3694065, 6403046, 7388130, 9604569, 16007615, 19209138, 32015230, 48022845, 48515387, 96045690, 97030774, 145546161, 242576935, 291092322, 485153870, 630700031, 727730805, 1261400062, 1455461610, 1892100093, 3153500155, 3784200186, 6307000310, 9460500465, 18921000930]

約数ペア:

[(1, 18921000930), (2, 9460500465), (3, 6307000310), (5, 3784200186), (6, 3153500155), (10, 1892100093), (13, 1455461610), (15, 1261400062), (26, 727730805), (30, 630700031), (39, 485153870), (65, 291092322), (78, 242576935), (130, 145546161), (195, 97030774), (197, 96045690), (390, 48515387), (394, 48022845), (591, 32015230), (985, 19209138), (1182, 16007615), (1970, 9604569), (2561, 7388130), (2955, 6403046), (5122, 3694065), (5910, 3201523), (7683, 2462710), (12805, 1477626), (15366, 1231355), (25610, 738813), (38415, 492542), (76830, 246271)]