19641900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 57277584

約数和(自身を除く): 37635684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 233, 281, 300, 466, 562, 699, 843, 932, 1124, 1165, 1398, 1405, 1686, 2330, 2796, 2810, 3372, 3495, 4215, 4660, 5620, 5825, 6990, 7025, 8430, 11650, 13980, 14050, 16860, 17475, 21075, 23300, 28100, 34950, 42150, 65473, 69900, 84300, 130946, 196419, 261892, 327365, 392838, 654730, 785676, 982095, 1309460, 1636825, 1964190, 3273650, 3928380, 4910475, 6547300, 9820950, 19641900]

約数ペア:

[(1, 19641900), (2, 9820950), (3, 6547300), (4, 4910475), (5, 3928380), (6, 3273650), (10, 1964190), (12, 1636825), (15, 1309460), (20, 982095), (25, 785676), (30, 654730), (50, 392838), (60, 327365), (75, 261892), (100, 196419), (150, 130946), (233, 84300), (281, 69900), (300, 65473), (466, 42150), (562, 34950), (699, 28100), (843, 23300), (932, 21075), (1124, 17475), (1165, 16860), (1398, 14050), (1405, 13980), (1686, 11650), (2330, 8430), (2796, 7025), (2810, 6990), (3372, 5825), (3495, 5620), (4215, 4660)]