19022770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 39118464

約数和(自身を除く): 20095694

約数列:

[1, 2, 5, 10, 13, 26, 41, 43, 65, 82, 83, 86, 130, 166, 205, 215, 410, 415, 430, 533, 559, 830, 1066, 1079, 1118, 1763, 2158, 2665, 2795, 3403, 3526, 3569, 5330, 5395, 5590, 6806, 7138, 8815, 10790, 17015, 17630, 17845, 22919, 34030, 35690, 44239, 45838, 46397, 88478, 92794, 114595, 146329, 221195, 229190, 231985, 292658, 442390, 463970, 731645, 1463290, 1902277, 3804554, 9511385, 19022770]

約数ペア:

[(1, 19022770), (2, 9511385), (5, 3804554), (10, 1902277), (13, 1463290), (26, 731645), (41, 463970), (43, 442390), (65, 292658), (82, 231985), (83, 229190), (86, 221195), (130, 146329), (166, 114595), (205, 92794), (215, 88478), (410, 46397), (415, 45838), (430, 44239), (533, 35690), (559, 34030), (830, 22919), (1066, 17845), (1079, 17630), (1118, 17015), (1763, 10790), (2158, 8815), (2665, 7138), (2795, 6806), (3403, 5590), (3526, 5395), (3569, 5330)]