18736950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5431}}^1$

素因数の和:5469

約数の個数: 48

約数和(自身を含む): 48496896

約数和(自身を除く): 29759946

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 5431, 10862, 16293, 27155, 32586, 54310, 81465, 124913, 135775, 162930, 249826, 271550, 374739, 407325, 624565, 749478, 814650, 1249130, 1873695, 3122825, 3747390, 6245650, 9368475, 18736950]

約数ペア:

[(1, 18736950), (2, 9368475), (3, 6245650), (5, 3747390), (6, 3122825), (10, 1873695), (15, 1249130), (23, 814650), (25, 749478), (30, 624565), (46, 407325), (50, 374739), (69, 271550), (75, 249826), (115, 162930), (138, 135775), (150, 124913), (230, 81465), (345, 54310), (575, 32586), (690, 27155), (1150, 16293), (1725, 10862), (3450, 5431)]