18909712

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3659}}^1$

素因数の和:3703

約数の個数: 40

約数和(自身を含む): 40845600

約数和(自身を除く): 21935888

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3659, 5168, 7318, 14636, 29272, 58544, 62203, 69521, 124406, 139042, 248812, 278084, 497624, 556168, 995248, 1112336, 1181857, 2363714, 4727428, 9454856, 18909712]

約数ペア:

[(1, 18909712), (2, 9454856), (4, 4727428), (8, 2363714), (16, 1181857), (17, 1112336), (19, 995248), (34, 556168), (38, 497624), (68, 278084), (76, 248812), (136, 139042), (152, 124406), (272, 69521), (304, 62203), (323, 58544), (646, 29272), (1292, 14636), (2584, 7318), (3659, 5168)]