18122250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 45991296

約数和(自身を除く): 27869046

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 125, 146, 150, 219, 250, 331, 365, 375, 438, 662, 730, 750, 993, 1095, 1655, 1825, 1986, 2190, 3310, 3650, 4965, 5475, 8275, 9125, 9930, 10950, 16550, 18250, 24163, 24825, 27375, 41375, 48326, 49650, 54750, 72489, 82750, 120815, 124125, 144978, 241630, 248250, 362445, 604075, 724890, 1208150, 1812225, 3020375, 3624450, 6040750, 9061125, 18122250]

約数ペア:

[(1, 18122250), (2, 9061125), (3, 6040750), (5, 3624450), (6, 3020375), (10, 1812225), (15, 1208150), (25, 724890), (30, 604075), (50, 362445), (73, 248250), (75, 241630), (125, 144978), (146, 124125), (150, 120815), (219, 82750), (250, 72489), (331, 54750), (365, 49650), (375, 48326), (438, 41375), (662, 27375), (730, 24825), (750, 24163), (993, 18250), (1095, 16550), (1655, 10950), (1825, 9930), (1986, 9125), (2190, 8275), (3310, 5475), (3650, 4965)]