18380450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1453}}^1$

素因数の和:1499

約数の個数: 48

約数和(自身を含む): 38943936

約数和(自身を除く): 20563486

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 230, 253, 275, 506, 550, 575, 1150, 1265, 1453, 2530, 2906, 6325, 7265, 12650, 14530, 15983, 31966, 33419, 36325, 66838, 72650, 79915, 159830, 167095, 334190, 367609, 399575, 735218, 799150, 835475, 1670950, 1838045, 3676090, 9190225, 18380450]

約数ペア:

[(1, 18380450), (2, 9190225), (5, 3676090), (10, 1838045), (11, 1670950), (22, 835475), (23, 799150), (25, 735218), (46, 399575), (50, 367609), (55, 334190), (110, 167095), (115, 159830), (230, 79915), (253, 72650), (275, 66838), (506, 36325), (550, 33419), (575, 31966), (1150, 15983), (1265, 14530), (1453, 12650), (2530, 7265), (2906, 6325)]