19750880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 50349600

約数和(自身を除く): 30598720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 73, 76, 80, 89, 95, 146, 152, 160, 178, 190, 292, 304, 356, 365, 380, 445, 584, 608, 712, 730, 760, 890, 1168, 1387, 1424, 1460, 1520, 1691, 1780, 2336, 2774, 2848, 2920, 3040, 3382, 3560, 5548, 5840, 6497, 6764, 6935, 7120, 8455, 11096, 11680, 12994, 13528, 13870, 14240, 16910, 22192, 25988, 27056, 27740, 32485, 33820, 44384, 51976, 54112, 55480, 64970, 67640, 103952, 110960, 123443, 129940, 135280, 207904, 221920, 246886, 259880, 270560, 493772, 519760, 617215, 987544, 1039520, 1234430, 1975088, 2468860, 3950176, 4937720, 9875440, 19750880]

約数ペア:

[(1, 19750880), (2, 9875440), (4, 4937720), (5, 3950176), (8, 2468860), (10, 1975088), (16, 1234430), (19, 1039520), (20, 987544), (32, 617215), (38, 519760), (40, 493772), (73, 270560), (76, 259880), (80, 246886), (89, 221920), (95, 207904), (146, 135280), (152, 129940), (160, 123443), (178, 110960), (190, 103952), (292, 67640), (304, 64970), (356, 55480), (365, 54112), (380, 51976), (445, 44384), (584, 33820), (608, 32485), (712, 27740), (730, 27056), (760, 25988), (890, 22192), (1168, 16910), (1387, 14240), (1424, 13870), (1460, 13528), (1520, 12994), (1691, 11680), (1780, 11096), (2336, 8455), (2774, 7120), (2848, 6935), (2920, 6764), (3040, 6497), (3382, 5840), (3560, 5548)]