19565480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{839}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 29423320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 839, 1060, 1166, 1678, 2120, 2332, 2915, 3356, 4195, 4664, 5830, 6712, 8390, 9229, 11660, 16780, 18458, 23320, 33560, 36916, 44467, 46145, 73832, 88934, 92290, 177868, 184580, 222335, 355736, 369160, 444670, 489137, 889340, 978274, 1778680, 1956548, 2445685, 3913096, 4891370, 9782740, 19565480]

約数ペア:

[(1, 19565480), (2, 9782740), (4, 4891370), (5, 3913096), (8, 2445685), (10, 1956548), (11, 1778680), (20, 978274), (22, 889340), (40, 489137), (44, 444670), (53, 369160), (55, 355736), (88, 222335), (106, 184580), (110, 177868), (212, 92290), (220, 88934), (265, 73832), (424, 46145), (440, 44467), (530, 36916), (583, 33560), (839, 23320), (1060, 18458), (1166, 16780), (1678, 11660), (2120, 9229), (2332, 8390), (2915, 6712), (3356, 5830), (4195, 4664)]