19414960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 48612960

約数和(自身を除く): 29198000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 53, 76, 80, 95, 106, 152, 190, 212, 241, 265, 304, 380, 424, 482, 530, 760, 848, 964, 1007, 1060, 1205, 1520, 1928, 2014, 2120, 2410, 3856, 4028, 4240, 4579, 4820, 5035, 8056, 9158, 9640, 10070, 12773, 16112, 18316, 19280, 20140, 22895, 25546, 36632, 40280, 45790, 51092, 63865, 73264, 80560, 91580, 102184, 127730, 183160, 204368, 242687, 255460, 366320, 485374, 510920, 970748, 1021840, 1213435, 1941496, 2426870, 3882992, 4853740, 9707480, 19414960]

約数ペア:

[(1, 19414960), (2, 9707480), (4, 4853740), (5, 3882992), (8, 2426870), (10, 1941496), (16, 1213435), (19, 1021840), (20, 970748), (38, 510920), (40, 485374), (53, 366320), (76, 255460), (80, 242687), (95, 204368), (106, 183160), (152, 127730), (190, 102184), (212, 91580), (241, 80560), (265, 73264), (304, 63865), (380, 51092), (424, 45790), (482, 40280), (530, 36632), (760, 25546), (848, 22895), (964, 20140), (1007, 19280), (1060, 18316), (1205, 16112), (1520, 12773), (1928, 10070), (2014, 9640), (2120, 9158), (2410, 8056), (3856, 5035), (4028, 4820), (4240, 4579)]