18901064

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3709}}^1$

素因数の和:3742

約数の個数: 48

約数和(自身を含む): 44408700

約数和(自身を除く): 25507636

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 3709, 5096, 7418, 14836, 25963, 29672, 48217, 51926, 96434, 103852, 181741, 192868, 207704, 337519, 363482, 385736, 675038, 726964, 1350076, 1453928, 2362633, 2700152, 4725266, 9450532, 18901064]

約数ペア:

[(1, 18901064), (2, 9450532), (4, 4725266), (7, 2700152), (8, 2362633), (13, 1453928), (14, 1350076), (26, 726964), (28, 675038), (49, 385736), (52, 363482), (56, 337519), (91, 207704), (98, 192868), (104, 181741), (182, 103852), (196, 96434), (364, 51926), (392, 48217), (637, 29672), (728, 25963), (1274, 14836), (2548, 7418), (3709, 5096)]