17939320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 46771200

約数和(自身を除く): 28831880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 811, 1106, 1580, 1622, 2212, 2765, 3160, 3244, 4055, 4424, 5530, 5677, 6488, 8110, 11060, 11354, 16220, 22120, 22708, 28385, 32440, 45416, 56770, 64069, 113540, 128138, 227080, 256276, 320345, 448483, 512552, 640690, 896966, 1281380, 1793932, 2242415, 2562760, 3587864, 4484830, 8969660, 17939320]

約数ペア:

[(1, 17939320), (2, 8969660), (4, 4484830), (5, 3587864), (7, 2562760), (8, 2242415), (10, 1793932), (14, 1281380), (20, 896966), (28, 640690), (35, 512552), (40, 448483), (56, 320345), (70, 256276), (79, 227080), (140, 128138), (158, 113540), (280, 64069), (316, 56770), (395, 45416), (553, 32440), (632, 28385), (790, 22708), (811, 22120), (1106, 16220), (1580, 11354), (1622, 11060), (2212, 8110), (2765, 6488), (3160, 5677), (3244, 5530), (4055, 4424)]