18269564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 35431200

約数和(自身を除く): 17161636

約数列:

[1, 2, 4, 19, 37, 38, 73, 74, 76, 89, 146, 148, 178, 292, 356, 703, 1387, 1406, 1691, 2701, 2774, 2812, 3293, 3382, 5402, 5548, 6497, 6586, 6764, 10804, 12994, 13172, 25988, 51319, 62567, 102638, 123443, 125134, 205276, 240389, 246886, 250268, 480778, 493772, 961556, 4567391, 9134782, 18269564]

約数ペア:

[(1, 18269564), (2, 9134782), (4, 4567391), (19, 961556), (37, 493772), (38, 480778), (73, 250268), (74, 246886), (76, 240389), (89, 205276), (146, 125134), (148, 123443), (178, 102638), (292, 62567), (356, 51319), (703, 25988), (1387, 13172), (1406, 12994), (1691, 10804), (2701, 6764), (2774, 6586), (2812, 6497), (3293, 5548), (3382, 5402)]