19194156

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 52153920

約数和(自身を除く): 32959764

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 79, 102, 153, 158, 204, 237, 306, 316, 397, 474, 612, 711, 794, 948, 1191, 1343, 1422, 1588, 2382, 2686, 2844, 3573, 4029, 4764, 5372, 6749, 7146, 8058, 12087, 13498, 14292, 16116, 20247, 24174, 26996, 31363, 40494, 48348, 60741, 62726, 80988, 94089, 121482, 125452, 188178, 242964, 282267, 376356, 533171, 564534, 1066342, 1129068, 1599513, 2132684, 3199026, 4798539, 6398052, 9597078, 19194156]

約数ペア:

[(1, 19194156), (2, 9597078), (3, 6398052), (4, 4798539), (6, 3199026), (9, 2132684), (12, 1599513), (17, 1129068), (18, 1066342), (34, 564534), (36, 533171), (51, 376356), (68, 282267), (79, 242964), (102, 188178), (153, 125452), (158, 121482), (204, 94089), (237, 80988), (306, 62726), (316, 60741), (397, 48348), (474, 40494), (612, 31363), (711, 26996), (794, 24174), (948, 20247), (1191, 16116), (1343, 14292), (1422, 13498), (1588, 12087), (2382, 8058), (2686, 7146), (2844, 6749), (3573, 5372), (4029, 4764)]