18521296

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 38334600

約数和(自身を除く): 19813304

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 149, 272, 298, 457, 596, 914, 1192, 1828, 2384, 2533, 3656, 5066, 7312, 7769, 10132, 15538, 20264, 31076, 40528, 62152, 68093, 124304, 136186, 272372, 544744, 1089488, 1157581, 2315162, 4630324, 9260648, 18521296]

約数ペア:

[(1, 18521296), (2, 9260648), (4, 4630324), (8, 2315162), (16, 1157581), (17, 1089488), (34, 544744), (68, 272372), (136, 136186), (149, 124304), (272, 68093), (298, 62152), (457, 40528), (596, 31076), (914, 20264), (1192, 15538), (1828, 10132), (2384, 7769), (2533, 7312), (3656, 5066)]