18147896

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 38122560

約数和(自身を除く): 19974664

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 433, 676, 806, 866, 1352, 1612, 1732, 3224, 3464, 5239, 5629, 10478, 11258, 13423, 20956, 22516, 26846, 41912, 45032, 53692, 73177, 107384, 146354, 174499, 292708, 348998, 585416, 697996, 1395992, 2268487, 4536974, 9073948, 18147896]

約数ペア:

[(1, 18147896), (2, 9073948), (4, 4536974), (8, 2268487), (13, 1395992), (26, 697996), (31, 585416), (52, 348998), (62, 292708), (104, 174499), (124, 146354), (169, 107384), (248, 73177), (338, 53692), (403, 45032), (433, 41912), (676, 26846), (806, 22516), (866, 20956), (1352, 13423), (1612, 11258), (1732, 10478), (3224, 5629), (3464, 5239)]