2019896840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{204443}}^1$

素因数の和:204486

約数の個数: 64

約数和(自身を含む): 5151988800

約数和(自身を除く): 3132091960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 204443, 408886, 817772, 1022215, 1635544, 2044430, 2657759, 3884417, 4088860, 5315518, 7768834, 8177720, 10631036, 13288795, 15537668, 19422085, 21262072, 26577590, 31075336, 38844170, 50497421, 53155180, 77688340, 100994842, 106310360, 155376680, 201989684, 252487105, 403979368, 504974210, 1009948420, 2019896840]

約数ペア:

[(1, 2019896840), (2, 1009948420), (4, 504974210), (5, 403979368), (8, 252487105), (10, 201989684), (13, 155376680), (19, 106310360), (20, 100994842), (26, 77688340), (38, 53155180), (40, 50497421), (52, 38844170), (65, 31075336), (76, 26577590), (95, 21262072), (104, 19422085), (130, 15537668), (152, 13288795), (190, 10631036), (247, 8177720), (260, 7768834), (380, 5315518), (494, 4088860), (520, 3884417), (760, 2657759), (988, 2044430), (1235, 1635544), (1976, 1022215), (2470, 817772), (4940, 408886), (9880, 204443)]