18851770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 40055040

約数和(自身を除く): 21203270

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 158, 245, 395, 487, 490, 553, 790, 974, 1106, 2435, 2765, 3409, 3871, 4870, 5530, 6818, 7742, 17045, 19355, 23863, 34090, 38473, 38710, 47726, 76946, 119315, 192365, 238630, 269311, 384730, 538622, 1346555, 1885177, 2693110, 3770354, 9425885, 18851770]

約数ペア:

[(1, 18851770), (2, 9425885), (5, 3770354), (7, 2693110), (10, 1885177), (14, 1346555), (35, 538622), (49, 384730), (70, 269311), (79, 238630), (98, 192365), (158, 119315), (245, 76946), (395, 47726), (487, 38710), (490, 38473), (553, 34090), (790, 23863), (974, 19355), (1106, 17045), (2435, 7742), (2765, 6818), (3409, 5530), (3871, 4870)]