18379575

素因数分解:

$3^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 34318240

約数和(自身を除く): 15938665

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 135, 219, 225, 365, 373, 657, 675, 1095, 1119, 1825, 1865, 1971, 3285, 3357, 5475, 5595, 9325, 9855, 10071, 16425, 16785, 27229, 27975, 49275, 50355, 81687, 83925, 136145, 245061, 251775, 408435, 680725, 735183, 1225305, 2042175, 3675915, 6126525, 18379575]

約数ペア:

[(1, 18379575), (3, 6126525), (5, 3675915), (9, 2042175), (15, 1225305), (25, 735183), (27, 680725), (45, 408435), (73, 251775), (75, 245061), (135, 136145), (219, 83925), (225, 81687), (365, 50355), (373, 49275), (657, 27975), (675, 27229), (1095, 16785), (1119, 16425), (1825, 10071), (1865, 9855), (1971, 9325), (3285, 5595), (3357, 5475)]