19647056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 46330368

約数和(自身を除く): 26683312

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 176, 208, 248, 277, 286, 341, 403, 496, 554, 572, 682, 806, 1108, 1144, 1364, 1612, 2216, 2288, 2728, 3047, 3224, 3601, 4432, 4433, 5456, 6094, 6448, 7202, 8587, 8866, 12188, 14404, 17174, 17732, 24376, 28808, 34348, 35464, 39611, 48752, 57616, 68696, 70928, 79222, 94457, 111631, 137392, 158444, 188914, 223262, 316888, 377828, 446524, 633776, 755656, 893048, 1227941, 1511312, 1786096, 2455882, 4911764, 9823528, 19647056]

約数ペア:

[(1, 19647056), (2, 9823528), (4, 4911764), (8, 2455882), (11, 1786096), (13, 1511312), (16, 1227941), (22, 893048), (26, 755656), (31, 633776), (44, 446524), (52, 377828), (62, 316888), (88, 223262), (104, 188914), (124, 158444), (143, 137392), (176, 111631), (208, 94457), (248, 79222), (277, 70928), (286, 68696), (341, 57616), (403, 48752), (496, 39611), (554, 35464), (572, 34348), (682, 28808), (806, 24376), (1108, 17732), (1144, 17174), (1364, 14404), (1612, 12188), (2216, 8866), (2288, 8587), (2728, 7202), (3047, 6448), (3224, 6094), (3601, 5456), (4432, 4433)]