19898776

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 41932800

約数和(自身を除く): 22034024

約数列:

[1, 2, 4, 8, 19, 31, 38, 41, 62, 76, 82, 103, 124, 152, 164, 206, 248, 328, 412, 589, 779, 824, 1178, 1271, 1558, 1957, 2356, 2542, 3116, 3193, 3914, 4223, 4712, 5084, 6232, 6386, 7828, 8446, 10168, 12772, 15656, 16892, 24149, 25544, 33784, 48298, 60667, 80237, 96596, 121334, 130913, 160474, 193192, 242668, 261826, 320948, 485336, 523652, 641896, 1047304, 2487347, 4974694, 9949388, 19898776]

約数ペア:

[(1, 19898776), (2, 9949388), (4, 4974694), (8, 2487347), (19, 1047304), (31, 641896), (38, 523652), (41, 485336), (62, 320948), (76, 261826), (82, 242668), (103, 193192), (124, 160474), (152, 130913), (164, 121334), (206, 96596), (248, 80237), (328, 60667), (412, 48298), (589, 33784), (779, 25544), (824, 24149), (1178, 16892), (1271, 15656), (1558, 12772), (1957, 10168), (2356, 8446), (2542, 7828), (3116, 6386), (3193, 6232), (3914, 5084), (4223, 4712)]