19339684

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 43205568

約数和(自身を除く): 23865884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 61, 67, 91, 122, 134, 169, 182, 244, 268, 338, 364, 427, 469, 676, 793, 854, 871, 938, 1183, 1586, 1708, 1742, 1876, 2366, 3172, 3484, 4087, 4732, 5551, 6097, 8174, 10309, 11102, 11323, 12194, 16348, 20618, 22204, 22646, 24388, 28609, 41236, 45292, 53131, 57218, 72163, 79261, 106262, 114436, 144326, 158522, 212524, 288652, 317044, 371917, 690703, 743834, 1381406, 1487668, 2762812, 4834921, 9669842, 19339684]

約数ペア:

[(1, 19339684), (2, 9669842), (4, 4834921), (7, 2762812), (13, 1487668), (14, 1381406), (26, 743834), (28, 690703), (52, 371917), (61, 317044), (67, 288652), (91, 212524), (122, 158522), (134, 144326), (169, 114436), (182, 106262), (244, 79261), (268, 72163), (338, 57218), (364, 53131), (427, 45292), (469, 41236), (676, 28609), (793, 24388), (854, 22646), (871, 22204), (938, 20618), (1183, 16348), (1586, 12194), (1708, 11323), (1742, 11102), (1876, 10309), (2366, 8174), (3172, 6097), (3484, 5551), (4087, 4732)]