18840804970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{827}}^1\times {\mathrm{6043}}^1$

素因数の和:6919

約数の個数: 64

約数和(自身を含む): 37833505920

約数和(自身を除く): 18992700950

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 827, 1654, 1885, 3770, 4135, 6043, 8270, 10751, 12086, 21502, 23983, 30215, 47966, 53755, 60430, 78559, 107510, 119915, 157118, 175247, 239830, 311779, 350494, 392795, 623558, 785590, 876235, 1558895, 1752470, 2278211, 3117790, 4556422, 4997561, 9995122, 11391055, 22782110, 24987805, 49975610, 64968293, 129936586, 144929269, 289858538, 324841465, 649682930, 724646345, 1449292690, 1884080497, 3768160994, 9420402485, 18840804970]

約数ペア:

[(1, 18840804970), (2, 9420402485), (5, 3768160994), (10, 1884080497), (13, 1449292690), (26, 724646345), (29, 649682930), (58, 324841465), (65, 289858538), (130, 144929269), (145, 129936586), (290, 64968293), (377, 49975610), (754, 24987805), (827, 22782110), (1654, 11391055), (1885, 9995122), (3770, 4997561), (4135, 4556422), (6043, 3117790), (8270, 2278211), (10751, 1752470), (12086, 1558895), (21502, 876235), (23983, 785590), (30215, 623558), (47966, 392795), (53755, 350494), (60430, 311779), (78559, 239830), (107510, 175247), (119915, 157118)]