19935702

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 45143280

約数和(自身を除く): 25207578

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 181, 211, 261, 362, 422, 522, 543, 633, 1086, 1266, 1629, 1899, 3258, 3798, 5249, 6119, 10498, 12238, 15747, 18357, 31494, 36714, 38191, 47241, 55071, 76382, 94482, 110142, 114573, 229146, 343719, 687438, 1107539, 2215078, 3322617, 6645234, 9967851, 19935702]

約数ペア:

[(1, 19935702), (2, 9967851), (3, 6645234), (6, 3322617), (9, 2215078), (18, 1107539), (29, 687438), (58, 343719), (87, 229146), (174, 114573), (181, 110142), (211, 94482), (261, 76382), (362, 55071), (422, 47241), (522, 38191), (543, 36714), (633, 31494), (1086, 18357), (1266, 15747), (1629, 12238), (1899, 10498), (3258, 6119), (3798, 5249)]