18936304

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1103}}^1$

素因数の和:1177

約数の個数: 40

約数和(自身を含む): 39015360

約数和(自身を除く): 20079056

約数列:

[1, 2, 4, 8, 16, 29, 37, 58, 74, 116, 148, 232, 296, 464, 592, 1073, 1103, 2146, 2206, 4292, 4412, 8584, 8824, 17168, 17648, 31987, 40811, 63974, 81622, 127948, 163244, 255896, 326488, 511792, 652976, 1183519, 2367038, 4734076, 9468152, 18936304]

約数ペア:

[(1, 18936304), (2, 9468152), (4, 4734076), (8, 2367038), (16, 1183519), (29, 652976), (37, 511792), (58, 326488), (74, 255896), (116, 163244), (148, 127948), (232, 81622), (296, 63974), (464, 40811), (592, 31987), (1073, 17648), (1103, 17168), (2146, 8824), (2206, 8584), (4292, 4412)]