18737888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1507

約数の個数: 48

約数和(自身を含む): 41037696

約数和(自身を除く): 22299808

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1453, 1612, 2906, 3224, 5812, 6448, 11624, 12896, 18889, 23248, 37778, 45043, 46496, 75556, 90086, 151112, 180172, 302224, 360344, 585559, 604448, 720688, 1171118, 1441376, 2342236, 4684472, 9368944, 18737888]

約数ペア:

[(1, 18737888), (2, 9368944), (4, 4684472), (8, 2342236), (13, 1441376), (16, 1171118), (26, 720688), (31, 604448), (32, 585559), (52, 360344), (62, 302224), (104, 180172), (124, 151112), (208, 90086), (248, 75556), (403, 46496), (416, 45043), (496, 37778), (806, 23248), (992, 18889), (1453, 12896), (1612, 11624), (2906, 6448), (3224, 5812)]