18903900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1111

約数の個数: 72

約数和(自身を含む): 55645744

約数和(自身を除く): 36741844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 150, 183, 244, 300, 305, 366, 610, 732, 915, 1033, 1220, 1525, 1830, 2066, 3050, 3099, 3660, 4132, 4575, 5165, 6100, 6198, 9150, 10330, 12396, 15495, 18300, 20660, 25825, 30990, 51650, 61980, 63013, 77475, 103300, 126026, 154950, 189039, 252052, 309900, 315065, 378078, 630130, 756156, 945195, 1260260, 1575325, 1890390, 3150650, 3780780, 4725975, 6301300, 9451950, 18903900]

約数ペア:

[(1, 18903900), (2, 9451950), (3, 6301300), (4, 4725975), (5, 3780780), (6, 3150650), (10, 1890390), (12, 1575325), (15, 1260260), (20, 945195), (25, 756156), (30, 630130), (50, 378078), (60, 315065), (61, 309900), (75, 252052), (100, 189039), (122, 154950), (150, 126026), (183, 103300), (244, 77475), (300, 63013), (305, 61980), (366, 51650), (610, 30990), (732, 25825), (915, 20660), (1033, 18300), (1220, 15495), (1525, 12396), (1830, 10330), (2066, 9150), (3050, 6198), (3099, 6100), (3660, 5165), (4132, 4575)]