19289025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 40673984

約数和(自身を除く): 21384959

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 37, 45, 63, 75, 105, 111, 175, 185, 225, 259, 315, 331, 333, 525, 555, 777, 925, 993, 1295, 1575, 1655, 1665, 2317, 2331, 2775, 2979, 3885, 4965, 6475, 6951, 8275, 8325, 11585, 11655, 12247, 14895, 19425, 20853, 24825, 34755, 36741, 57925, 58275, 61235, 74475, 85729, 104265, 110223, 173775, 183705, 257187, 306175, 428645, 521325, 551115, 771561, 918525, 1285935, 2143225, 2755575, 3857805, 6429675, 19289025]

約数ペア:

[(1, 19289025), (3, 6429675), (5, 3857805), (7, 2755575), (9, 2143225), (15, 1285935), (21, 918525), (25, 771561), (35, 551115), (37, 521325), (45, 428645), (63, 306175), (75, 257187), (105, 183705), (111, 173775), (175, 110223), (185, 104265), (225, 85729), (259, 74475), (315, 61235), (331, 58275), (333, 57925), (525, 36741), (555, 34755), (777, 24825), (925, 20853), (993, 19425), (1295, 14895), (1575, 12247), (1655, 11655), (1665, 11585), (2317, 8325), (2331, 8275), (2775, 6951), (2979, 6475), (3885, 4965)]