18574340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 22552060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 271, 298, 460, 542, 596, 745, 1084, 1355, 1490, 2710, 2980, 3427, 5420, 6233, 6854, 12466, 13708, 17135, 24932, 31165, 34270, 40379, 62330, 68540, 80758, 124660, 161516, 201895, 403790, 807580, 928717, 1857434, 3714868, 4643585, 9287170, 18574340]

約数ペア:

[(1, 18574340), (2, 9287170), (4, 4643585), (5, 3714868), (10, 1857434), (20, 928717), (23, 807580), (46, 403790), (92, 201895), (115, 161516), (149, 124660), (230, 80758), (271, 68540), (298, 62330), (460, 40379), (542, 34270), (596, 31165), (745, 24932), (1084, 17135), (1355, 13708), (1490, 12466), (2710, 6854), (2980, 6233), (3427, 5420)]