18948688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 43425792

約数和(自身を除く): 24477104

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 31, 44, 46, 62, 88, 92, 124, 151, 176, 184, 248, 253, 302, 341, 368, 496, 506, 604, 682, 713, 1012, 1208, 1364, 1426, 1661, 2024, 2416, 2728, 2852, 3322, 3473, 4048, 4681, 5456, 5704, 6644, 6946, 7843, 9362, 11408, 13288, 13892, 15686, 18724, 26576, 27784, 31372, 37448, 38203, 51491, 55568, 62744, 74896, 76406, 102982, 107663, 125488, 152812, 205964, 215326, 305624, 411928, 430652, 611248, 823856, 861304, 1184293, 1722608, 2368586, 4737172, 9474344, 18948688]

約数ペア:

[(1, 18948688), (2, 9474344), (4, 4737172), (8, 2368586), (11, 1722608), (16, 1184293), (22, 861304), (23, 823856), (31, 611248), (44, 430652), (46, 411928), (62, 305624), (88, 215326), (92, 205964), (124, 152812), (151, 125488), (176, 107663), (184, 102982), (248, 76406), (253, 74896), (302, 62744), (341, 55568), (368, 51491), (496, 38203), (506, 37448), (604, 31372), (682, 27784), (713, 26576), (1012, 18724), (1208, 15686), (1364, 13892), (1426, 13288), (1661, 11408), (2024, 9362), (2416, 7843), (2728, 6946), (2852, 6644), (3322, 5704), (3473, 5456), (4048, 4681)]