18797490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{631}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 49098816

約数和(自身を除く): 30301326

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 331, 631, 662, 993, 1262, 1655, 1893, 1986, 2979, 3155, 3310, 3786, 4965, 5679, 5958, 6310, 9465, 9930, 11358, 14895, 18930, 28395, 29790, 56790, 208861, 417722, 626583, 1044305, 1253166, 1879749, 2088610, 3132915, 3759498, 6265830, 9398745, 18797490]

約数ペア:

[(1, 18797490), (2, 9398745), (3, 6265830), (5, 3759498), (6, 3132915), (9, 2088610), (10, 1879749), (15, 1253166), (18, 1044305), (30, 626583), (45, 417722), (90, 208861), (331, 56790), (631, 29790), (662, 28395), (993, 18930), (1262, 14895), (1655, 11358), (1893, 9930), (1986, 9465), (2979, 6310), (3155, 5958), (3310, 5679), (3786, 4965)]