18853884

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 60173568

約数和(自身を除く): 41319684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 81, 84, 102, 108, 119, 126, 153, 162, 163, 189, 204, 238, 243, 252, 306, 324, 326, 357, 378, 459, 476, 486, 489, 567, 612, 652, 714, 756, 918, 972, 978, 1071, 1134, 1141, 1377, 1428, 1467, 1701, 1836, 1956, 2142, 2268, 2282, 2754, 2771, 2934, 3213, 3402, 3423, 4131, 4284, 4401, 4564, 5508, 5542, 5868, 6426, 6804, 6846, 8262, 8313, 8802, 9639, 10269, 11084, 12852, 13203, 13692, 16524, 16626, 17604, 19278, 19397, 20538, 24939, 26406, 28917, 30807, 33252, 38556, 38794, 39609, 41076, 49878, 52812, 57834, 58191, 61614, 74817, 77588, 79218, 92421, 99756, 115668, 116382, 123228, 149634, 158436, 174573, 184842, 224451, 232764, 277263, 299268, 349146, 369684, 448902, 523719, 554526, 673353, 698292, 897804, 1047438, 1109052, 1346706, 1571157, 2094876, 2693412, 3142314, 4713471, 6284628, 9426942, 18853884]

約数ペア:

[(1, 18853884), (2, 9426942), (3, 6284628), (4, 4713471), (6, 3142314), (7, 2693412), (9, 2094876), (12, 1571157), (14, 1346706), (17, 1109052), (18, 1047438), (21, 897804), (27, 698292), (28, 673353), (34, 554526), (36, 523719), (42, 448902), (51, 369684), (54, 349146), (63, 299268), (68, 277263), (81, 232764), (84, 224451), (102, 184842), (108, 174573), (119, 158436), (126, 149634), (153, 123228), (162, 116382), (163, 115668), (189, 99756), (204, 92421), (238, 79218), (243, 77588), (252, 74817), (306, 61614), (324, 58191), (326, 57834), (357, 52812), (378, 49878), (459, 41076), (476, 39609), (486, 38794), (489, 38556), (567, 33252), (612, 30807), (652, 28917), (714, 26406), (756, 24939), (918, 20538), (972, 19397), (978, 19278), (1071, 17604), (1134, 16626), (1141, 16524), (1377, 13692), (1428, 13203), (1467, 12852), (1701, 11084), (1836, 10269), (1956, 9639), (2142, 8802), (2268, 8313), (2282, 8262), (2754, 6846), (2771, 6804), (2934, 6426), (3213, 5868), (3402, 5542), (3423, 5508), (4131, 4564), (4284, 4401)]