19371280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 47568384

約数和(自身を除く): 28197104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 107, 124, 146, 155, 214, 248, 292, 310, 365, 428, 496, 535, 584, 620, 730, 856, 1070, 1168, 1240, 1460, 1712, 2140, 2263, 2480, 2920, 3317, 4280, 4526, 5840, 6634, 7811, 8560, 9052, 11315, 13268, 15622, 16585, 18104, 22630, 26536, 31244, 33170, 36208, 39055, 45260, 53072, 62488, 66340, 78110, 90520, 124976, 132680, 156220, 181040, 242141, 265360, 312440, 484282, 624880, 968564, 1210705, 1937128, 2421410, 3874256, 4842820, 9685640, 19371280]

約数ペア:

[(1, 19371280), (2, 9685640), (4, 4842820), (5, 3874256), (8, 2421410), (10, 1937128), (16, 1210705), (20, 968564), (31, 624880), (40, 484282), (62, 312440), (73, 265360), (80, 242141), (107, 181040), (124, 156220), (146, 132680), (155, 124976), (214, 90520), (248, 78110), (292, 66340), (310, 62488), (365, 53072), (428, 45260), (496, 39055), (535, 36208), (584, 33170), (620, 31244), (730, 26536), (856, 22630), (1070, 18104), (1168, 16585), (1240, 15622), (1460, 13268), (1712, 11315), (2140, 9052), (2263, 8560), (2480, 7811), (2920, 6634), (3317, 5840), (4280, 4526)]