19207960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 46811520

約数和(自身を除く): 27603560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 601, 680, 799, 940, 1202, 1598, 1880, 2404, 3005, 3196, 3995, 4808, 6010, 6392, 7990, 10217, 12020, 15980, 20434, 24040, 28247, 31960, 40868, 51085, 56494, 81736, 102170, 112988, 141235, 204340, 225976, 282470, 408680, 480199, 564940, 960398, 1129880, 1920796, 2400995, 3841592, 4801990, 9603980, 19207960]

約数ペア:

[(1, 19207960), (2, 9603980), (4, 4801990), (5, 3841592), (8, 2400995), (10, 1920796), (17, 1129880), (20, 960398), (34, 564940), (40, 480199), (47, 408680), (68, 282470), (85, 225976), (94, 204340), (136, 141235), (170, 112988), (188, 102170), (235, 81736), (340, 56494), (376, 51085), (470, 40868), (601, 31960), (680, 28247), (799, 24040), (940, 20434), (1202, 15980), (1598, 12020), (1880, 10217), (2404, 7990), (3005, 6392), (3196, 6010), (3995, 4808)]