19426628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 39325440

約数和(自身を除く): 19898812

約数列:

[1, 2, 4, 13, 23, 26, 37, 46, 52, 74, 92, 148, 299, 439, 481, 598, 851, 878, 962, 1196, 1702, 1756, 1924, 3404, 5707, 10097, 11063, 11414, 16243, 20194, 22126, 22828, 32486, 40388, 44252, 64972, 131261, 211159, 262522, 373589, 422318, 525044, 747178, 844636, 1494356, 4856657, 9713314, 19426628]

約数ペア:

[(1, 19426628), (2, 9713314), (4, 4856657), (13, 1494356), (23, 844636), (26, 747178), (37, 525044), (46, 422318), (52, 373589), (74, 262522), (92, 211159), (148, 131261), (299, 64972), (439, 44252), (481, 40388), (598, 32486), (851, 22828), (878, 22126), (962, 20194), (1196, 16243), (1702, 11414), (1756, 11063), (1924, 10097), (3404, 5707)]