19942875

素因数分解:

$3^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 38937600

約数和(自身を除く): 18994725

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 125, 135, 171, 225, 285, 311, 375, 475, 513, 675, 855, 933, 1125, 1425, 1555, 2375, 2565, 2799, 3375, 4275, 4665, 5909, 7125, 7775, 8397, 12825, 13995, 17727, 21375, 23325, 29545, 38875, 41985, 53181, 64125, 69975, 88635, 116625, 147725, 159543, 209925, 265905, 349875, 443175, 738625, 797715, 1049625, 1329525, 2215875, 3988575, 6647625, 19942875]

約数ペア:

[(1, 19942875), (3, 6647625), (5, 3988575), (9, 2215875), (15, 1329525), (19, 1049625), (25, 797715), (27, 738625), (45, 443175), (57, 349875), (75, 265905), (95, 209925), (125, 159543), (135, 147725), (171, 116625), (225, 88635), (285, 69975), (311, 64125), (375, 53181), (475, 41985), (513, 38875), (675, 29545), (855, 23325), (933, 21375), (1125, 17727), (1425, 13995), (1555, 12825), (2375, 8397), (2565, 7775), (2799, 7125), (3375, 5909), (4275, 4665)]