19312890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 48328704

約数和(自身を除く): 29015814

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 127, 137, 185, 222, 254, 274, 370, 381, 411, 555, 635, 685, 762, 822, 1110, 1270, 1370, 1905, 2055, 3810, 4110, 4699, 5069, 9398, 10138, 14097, 15207, 17399, 23495, 25345, 28194, 30414, 34798, 46990, 50690, 52197, 70485, 76035, 86995, 104394, 140970, 152070, 173990, 260985, 521970, 643763, 1287526, 1931289, 3218815, 3862578, 6437630, 9656445, 19312890]

約数ペア:

[(1, 19312890), (2, 9656445), (3, 6437630), (5, 3862578), (6, 3218815), (10, 1931289), (15, 1287526), (30, 643763), (37, 521970), (74, 260985), (111, 173990), (127, 152070), (137, 140970), (185, 104394), (222, 86995), (254, 76035), (274, 70485), (370, 52197), (381, 50690), (411, 46990), (555, 34798), (635, 30414), (685, 28194), (762, 25345), (822, 23495), (1110, 17399), (1270, 15207), (1370, 14097), (1905, 10138), (2055, 9398), (3810, 5069), (4110, 4699)]