619928390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{105251}}^1$

素因数の和:105308

約数の個数: 32

約数和(自身を含む): 1212503040

約数和(自身を除く): 592574650

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 105251, 210502, 526255, 1052510, 1999769, 3262781, 3999538, 6525562, 9998845, 16313905, 19997690, 32627810, 61992839, 123985678, 309964195, 619928390]

約数ペア:

[(1, 619928390), (2, 309964195), (5, 123985678), (10, 61992839), (19, 32627810), (31, 19997690), (38, 16313905), (62, 9998845), (95, 6525562), (155, 3999538), (190, 3262781), (310, 1999769), (589, 1052510), (1178, 526255), (2945, 210502), (5890, 105251)]