19276556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 38342304

約数和(自身を除く): 19065748

約数列:

[1, 2, 4, 13, 26, 37, 43, 52, 74, 86, 148, 172, 233, 466, 481, 559, 932, 962, 1118, 1591, 1924, 2236, 3029, 3182, 6058, 6364, 8621, 10019, 12116, 17242, 20038, 20683, 34484, 40076, 41366, 82732, 112073, 130247, 224146, 260494, 370703, 448292, 520988, 741406, 1482812, 4819139, 9638278, 19276556]

約数ペア:

[(1, 19276556), (2, 9638278), (4, 4819139), (13, 1482812), (26, 741406), (37, 520988), (43, 448292), (52, 370703), (74, 260494), (86, 224146), (148, 130247), (172, 112073), (233, 82732), (466, 41366), (481, 40076), (559, 34484), (932, 20683), (962, 20038), (1118, 17242), (1591, 12116), (1924, 10019), (2236, 8621), (3029, 6364), (3182, 6058)]