16819670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 37380096

約数和(自身を除く): 20560426

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 46, 62, 70, 115, 155, 161, 217, 230, 310, 322, 337, 434, 674, 713, 805, 1085, 1426, 1610, 1685, 2170, 2359, 3370, 3565, 4718, 4991, 7130, 7751, 9982, 10447, 11795, 15502, 20894, 23590, 24955, 38755, 49910, 52235, 54257, 73129, 77510, 104470, 108514, 146258, 240281, 271285, 365645, 480562, 542570, 731290, 1201405, 1681967, 2402810, 3363934, 8409835, 16819670]

約数ペア:

[(1, 16819670), (2, 8409835), (5, 3363934), (7, 2402810), (10, 1681967), (14, 1201405), (23, 731290), (31, 542570), (35, 480562), (46, 365645), (62, 271285), (70, 240281), (115, 146258), (155, 108514), (161, 104470), (217, 77510), (230, 73129), (310, 54257), (322, 52235), (337, 49910), (434, 38755), (674, 24955), (713, 23590), (805, 20894), (1085, 15502), (1426, 11795), (1610, 10447), (1685, 9982), (2170, 7751), (2359, 7130), (3370, 4991), (3565, 4718)]