18520440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8123}}^1$

素因数の和:8156

約数の個数: 64

約数和(自身を含む): 58492800

約数和(自身を除く): 39972360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8123, 16246, 24369, 32492, 40615, 48738, 64984, 81230, 97476, 121845, 154337, 162460, 194952, 243690, 308674, 324920, 463011, 487380, 617348, 771685, 926022, 974760, 1234696, 1543370, 1852044, 2315055, 3086740, 3704088, 4630110, 6173480, 9260220, 18520440]

約数ペア:

[(1, 18520440), (2, 9260220), (3, 6173480), (4, 4630110), (5, 3704088), (6, 3086740), (8, 2315055), (10, 1852044), (12, 1543370), (15, 1234696), (19, 974760), (20, 926022), (24, 771685), (30, 617348), (38, 487380), (40, 463011), (57, 324920), (60, 308674), (76, 243690), (95, 194952), (114, 162460), (120, 154337), (152, 121845), (190, 97476), (228, 81230), (285, 64984), (380, 48738), (456, 40615), (570, 32492), (760, 24369), (1140, 16246), (2280, 8123)]