19886148

素因数分解:

$2^2\times 3^5\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 53508000

約数和(自身を除く): 33621852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 81, 82, 108, 123, 162, 164, 243, 246, 324, 369, 486, 492, 499, 738, 972, 998, 1107, 1476, 1497, 1996, 2214, 2994, 3321, 4428, 4491, 5988, 6642, 8982, 9963, 13284, 13473, 17964, 19926, 20459, 26946, 39852, 40419, 40918, 53892, 61377, 80838, 81836, 121257, 122754, 161676, 184131, 242514, 245508, 368262, 485028, 552393, 736524, 1104786, 1657179, 2209572, 3314358, 4971537, 6628716, 9943074, 19886148]

約数ペア:

[(1, 19886148), (2, 9943074), (3, 6628716), (4, 4971537), (6, 3314358), (9, 2209572), (12, 1657179), (18, 1104786), (27, 736524), (36, 552393), (41, 485028), (54, 368262), (81, 245508), (82, 242514), (108, 184131), (123, 161676), (162, 122754), (164, 121257), (243, 81836), (246, 80838), (324, 61377), (369, 53892), (486, 40918), (492, 40419), (499, 39852), (738, 26946), (972, 20459), (998, 19926), (1107, 17964), (1476, 13473), (1497, 13284), (1996, 9963), (2214, 8982), (2994, 6642), (3321, 5988), (4428, 4491)]