2019321356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{4003}}^1$

素因数の和:4218

約数の個数: 48

約数和(自身を含む): 3884680800

約数和(自身を除く): 1865359444

約数列:

[1, 2, 4, 13, 26, 52, 89, 109, 178, 218, 356, 436, 1157, 1417, 2314, 2834, 4003, 4628, 5668, 8006, 9701, 16012, 19402, 38804, 52039, 104078, 126113, 208156, 252226, 356267, 436327, 504452, 712534, 872654, 1425068, 1745308, 4631471, 5672251, 9262942, 11344502, 18525884, 22689004, 38833103, 77666206, 155332412, 504830339, 1009660678, 2019321356]

約数ペア:

[(1, 2019321356), (2, 1009660678), (4, 504830339), (13, 155332412), (26, 77666206), (52, 38833103), (89, 22689004), (109, 18525884), (178, 11344502), (218, 9262942), (356, 5672251), (436, 4631471), (1157, 1745308), (1417, 1425068), (2314, 872654), (2834, 712534), (4003, 504452), (4628, 436327), (5668, 356267), (8006, 252226), (9701, 208156), (16012, 126113), (19402, 104078), (38804, 52039)]