18892560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{353}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 58996224

約数和(自身を除く): 40103664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 240, 353, 446, 669, 706, 892, 1059, 1115, 1338, 1412, 1765, 1784, 2118, 2230, 2676, 2824, 3345, 3530, 3568, 4236, 4460, 5295, 5352, 5648, 6690, 7060, 8472, 8920, 10590, 10704, 13380, 14120, 16944, 17840, 21180, 26760, 28240, 42360, 53520, 78719, 84720, 157438, 236157, 314876, 393595, 472314, 629752, 787190, 944628, 1180785, 1259504, 1574380, 1889256, 2361570, 3148760, 3778512, 4723140, 6297520, 9446280, 18892560]

約数ペア:

[(1, 18892560), (2, 9446280), (3, 6297520), (4, 4723140), (5, 3778512), (6, 3148760), (8, 2361570), (10, 1889256), (12, 1574380), (15, 1259504), (16, 1180785), (20, 944628), (24, 787190), (30, 629752), (40, 472314), (48, 393595), (60, 314876), (80, 236157), (120, 157438), (223, 84720), (240, 78719), (353, 53520), (446, 42360), (669, 28240), (706, 26760), (892, 21180), (1059, 17840), (1115, 16944), (1338, 14120), (1412, 13380), (1765, 10704), (1784, 10590), (2118, 8920), (2230, 8472), (2676, 7060), (2824, 6690), (3345, 5648), (3530, 5352), (3568, 5295), (4236, 4460)]