18330284

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 39316032

約数和(自身を除く): 20985748

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 97, 119, 194, 238, 388, 397, 476, 679, 794, 1358, 1588, 1649, 2716, 2779, 3298, 5558, 6596, 6749, 11116, 11543, 13498, 23086, 26996, 38509, 46172, 47243, 77018, 94486, 154036, 188972, 269563, 539126, 654653, 1078252, 1309306, 2618612, 4582571, 9165142, 18330284]

約数ペア:

[(1, 18330284), (2, 9165142), (4, 4582571), (7, 2618612), (14, 1309306), (17, 1078252), (28, 654653), (34, 539126), (68, 269563), (97, 188972), (119, 154036), (194, 94486), (238, 77018), (388, 47243), (397, 46172), (476, 38509), (679, 26996), (794, 23086), (1358, 13498), (1588, 11543), (1649, 11116), (2716, 6749), (2779, 6596), (3298, 5558)]