18874987490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{569}}^1\times {\mathrm{619}}^1$

素因数の和:1451

約数の個数: 64

約数和(自身を含む): 35724499200

約数和(自身を除く): 16849511710

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 233, 466, 569, 619, 1138, 1165, 1238, 2330, 2845, 3095, 5359, 5690, 6190, 10718, 13087, 14237, 26174, 26795, 28474, 53590, 65435, 71185, 130870, 132577, 142370, 144227, 265154, 288454, 352211, 662885, 704422, 721135, 1325770, 1442270, 1761055, 3049271, 3317221, 3522110, 6098542, 6634442, 8100853, 15246355, 16201706, 16586105, 30492710, 33172210, 40504265, 81008530, 82065163, 164130326, 410325815, 820651630, 1887498749, 3774997498, 9437493745, 18874987490]

約数ペア:

[(1, 18874987490), (2, 9437493745), (5, 3774997498), (10, 1887498749), (23, 820651630), (46, 410325815), (115, 164130326), (230, 82065163), (233, 81008530), (466, 40504265), (569, 33172210), (619, 30492710), (1138, 16586105), (1165, 16201706), (1238, 15246355), (2330, 8100853), (2845, 6634442), (3095, 6098542), (5359, 3522110), (5690, 3317221), (6190, 3049271), (10718, 1761055), (13087, 1442270), (14237, 1325770), (26174, 721135), (26795, 704422), (28474, 662885), (53590, 352211), (65435, 288454), (71185, 265154), (130870, 144227), (132577, 142370)]