16988090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 37635840

約数和(自身を除く): 20647750

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 53, 70, 95, 106, 133, 190, 241, 265, 266, 371, 482, 530, 665, 742, 1007, 1205, 1330, 1687, 1855, 2014, 2410, 3374, 3710, 4579, 5035, 7049, 8435, 9158, 10070, 12773, 14098, 16870, 22895, 25546, 32053, 35245, 45790, 63865, 64106, 70490, 89411, 127730, 160265, 178822, 242687, 320530, 447055, 485374, 894110, 1213435, 1698809, 2426870, 3397618, 8494045, 16988090]

約数ペア:

[(1, 16988090), (2, 8494045), (5, 3397618), (7, 2426870), (10, 1698809), (14, 1213435), (19, 894110), (35, 485374), (38, 447055), (53, 320530), (70, 242687), (95, 178822), (106, 160265), (133, 127730), (190, 89411), (241, 70490), (265, 64106), (266, 63865), (371, 45790), (482, 35245), (530, 32053), (665, 25546), (742, 22895), (1007, 16870), (1205, 14098), (1330, 12773), (1687, 10070), (1855, 9158), (2014, 8435), (2410, 7049), (3374, 5035), (3710, 4579)]