19828210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1321}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 38073600

約数和(自身を除く): 18245390

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1321, 1501, 2642, 3002, 6605, 7505, 13210, 15010, 25099, 50198, 104359, 125495, 208718, 250990, 521795, 1043590, 1982821, 3965642, 9914105, 19828210]

約数ペア:

[(1, 19828210), (2, 9914105), (5, 3965642), (10, 1982821), (19, 1043590), (38, 521795), (79, 250990), (95, 208718), (158, 125495), (190, 104359), (395, 50198), (790, 25099), (1321, 15010), (1501, 13210), (2642, 7505), (3002, 6605)]