18479950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 35841456

約数和(自身を除く): 17361506

約数列:

[1, 2, 5, 10, 25, 50, 61, 73, 83, 122, 146, 166, 305, 365, 415, 610, 730, 830, 1525, 1825, 2075, 3050, 3650, 4150, 4453, 5063, 6059, 8906, 10126, 12118, 22265, 25315, 30295, 44530, 50630, 60590, 111325, 126575, 151475, 222650, 253150, 302950, 369599, 739198, 1847995, 3695990, 9239975, 18479950]

約数ペア:

[(1, 18479950), (2, 9239975), (5, 3695990), (10, 1847995), (25, 739198), (50, 369599), (61, 302950), (73, 253150), (83, 222650), (122, 151475), (146, 126575), (166, 111325), (305, 60590), (365, 50630), (415, 44530), (610, 30295), (730, 25315), (830, 22265), (1525, 12118), (1825, 10126), (2075, 8906), (3050, 6059), (3650, 5063), (4150, 4453)]