18178384

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1607}}^1$

素因数の和:1723

約数の個数: 40

約数和(自身を含む): 40675968

約数和(自身を除く): 22497584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1607, 1616, 2828, 3214, 5656, 6428, 11249, 11312, 12856, 22498, 25712, 44996, 89992, 162307, 179984, 324614, 649228, 1136149, 1298456, 2272298, 2596912, 4544596, 9089192, 18178384]

約数ペア:

[(1, 18178384), (2, 9089192), (4, 4544596), (7, 2596912), (8, 2272298), (14, 1298456), (16, 1136149), (28, 649228), (56, 324614), (101, 179984), (112, 162307), (202, 89992), (404, 44996), (707, 25712), (808, 22498), (1414, 12856), (1607, 11312), (1616, 11249), (2828, 6428), (3214, 5656)]