18959096

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 39637800

約数和(自身を除く): 20678704

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 169, 296, 338, 379, 481, 676, 758, 962, 1352, 1516, 1924, 3032, 3848, 4927, 6253, 9854, 12506, 14023, 19708, 25012, 28046, 39416, 50024, 56092, 64051, 112184, 128102, 182299, 256204, 364598, 512408, 729196, 1458392, 2369887, 4739774, 9479548, 18959096]

約数ペア:

[(1, 18959096), (2, 9479548), (4, 4739774), (8, 2369887), (13, 1458392), (26, 729196), (37, 512408), (52, 364598), (74, 256204), (104, 182299), (148, 128102), (169, 112184), (296, 64051), (338, 56092), (379, 50024), (481, 39416), (676, 28046), (758, 25012), (962, 19708), (1352, 14023), (1516, 12506), (1924, 9854), (3032, 6253), (3848, 4927)]