18388356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 52899840

約数和(自身を除く): 34511484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 79, 84, 102, 119, 158, 163, 204, 237, 238, 316, 326, 357, 474, 476, 489, 553, 652, 714, 948, 978, 1106, 1141, 1343, 1428, 1659, 1956, 2212, 2282, 2686, 2771, 3318, 3423, 4029, 4564, 5372, 5542, 6636, 6846, 8058, 8313, 9401, 11084, 12877, 13692, 16116, 16626, 18802, 19397, 25754, 28203, 33252, 37604, 38631, 38794, 51508, 56406, 58191, 77262, 77588, 90139, 112812, 116382, 154524, 180278, 218909, 232764, 270417, 360556, 437818, 540834, 656727, 875636, 1081668, 1313454, 1532363, 2626908, 3064726, 4597089, 6129452, 9194178, 18388356]

約数ペア:

[(1, 18388356), (2, 9194178), (3, 6129452), (4, 4597089), (6, 3064726), (7, 2626908), (12, 1532363), (14, 1313454), (17, 1081668), (21, 875636), (28, 656727), (34, 540834), (42, 437818), (51, 360556), (68, 270417), (79, 232764), (84, 218909), (102, 180278), (119, 154524), (158, 116382), (163, 112812), (204, 90139), (237, 77588), (238, 77262), (316, 58191), (326, 56406), (357, 51508), (474, 38794), (476, 38631), (489, 37604), (553, 33252), (652, 28203), (714, 25754), (948, 19397), (978, 18802), (1106, 16626), (1141, 16116), (1343, 13692), (1428, 12877), (1659, 11084), (1956, 9401), (2212, 8313), (2282, 8058), (2686, 6846), (2771, 6636), (3318, 5542), (3423, 5372), (4029, 4564)]