19930088

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 40416480

約数和(自身を除く): 20486392

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 103, 134, 152, 206, 268, 361, 412, 536, 722, 824, 1273, 1444, 1957, 2546, 2888, 3914, 5092, 6901, 7828, 10184, 13802, 15656, 24187, 27604, 37183, 48374, 55208, 74366, 96748, 131119, 148732, 193496, 262238, 297464, 524476, 1048952, 2491261, 4982522, 9965044, 19930088]

約数ペア:

[(1, 19930088), (2, 9965044), (4, 4982522), (8, 2491261), (19, 1048952), (38, 524476), (67, 297464), (76, 262238), (103, 193496), (134, 148732), (152, 131119), (206, 96748), (268, 74366), (361, 55208), (412, 48374), (536, 37183), (722, 27604), (824, 24187), (1273, 15656), (1444, 13802), (1957, 10184), (2546, 7828), (2888, 6901), (3914, 5092)]