19888650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:440

約数の個数: 72

約数和(自身を含む): 53945580

約数和(自身を除く): 34056930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 193, 225, 229, 386, 450, 458, 579, 687, 965, 1145, 1158, 1374, 1737, 1930, 2061, 2290, 2895, 3435, 3474, 4122, 4825, 5725, 5790, 6870, 8685, 9650, 10305, 11450, 14475, 17175, 17370, 20610, 28950, 34350, 43425, 44197, 51525, 86850, 88394, 103050, 132591, 220985, 265182, 397773, 441970, 662955, 795546, 1104925, 1325910, 1988865, 2209850, 3314775, 3977730, 6629550, 9944325, 19888650]

約数ペア:

[(1, 19888650), (2, 9944325), (3, 6629550), (5, 3977730), (6, 3314775), (9, 2209850), (10, 1988865), (15, 1325910), (18, 1104925), (25, 795546), (30, 662955), (45, 441970), (50, 397773), (75, 265182), (90, 220985), (150, 132591), (193, 103050), (225, 88394), (229, 86850), (386, 51525), (450, 44197), (458, 43425), (579, 34350), (687, 28950), (965, 20610), (1145, 17370), (1158, 17175), (1374, 14475), (1737, 11450), (1930, 10305), (2061, 9650), (2290, 8685), (2895, 6870), (3435, 5790), (3474, 5725), (4122, 4825)]