19484125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 26383968

約数和(自身を除く): 6899843

約数列:

[1, 5, 17, 25, 53, 85, 125, 173, 265, 425, 865, 901, 1325, 2125, 2941, 4325, 4505, 6625, 9169, 14705, 21625, 22525, 45845, 73525, 112625, 155873, 229225, 367625, 779365, 1146125, 3896825, 19484125]

約数ペア:

[(1, 19484125), (5, 3896825), (17, 1146125), (25, 779365), (53, 367625), (85, 229225), (125, 155873), (173, 112625), (265, 73525), (425, 45845), (865, 22525), (901, 21625), (1325, 14705), (2125, 9169), (2941, 6625), (4325, 4505)]