19489098980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{9631}}^1$

素因数の和:9877

約数の個数: 96

約数和(自身を含む): 45354236928

約数和(自身を除く): 25865137948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 181, 215, 260, 362, 430, 559, 724, 860, 905, 1118, 1810, 2236, 2353, 2795, 3620, 4706, 5590, 7783, 9412, 9631, 11180, 11765, 15566, 19262, 23530, 31132, 38524, 38915, 47060, 48155, 77830, 96310, 101179, 125203, 155660, 192620, 202358, 250406, 404716, 414133, 500812, 505895, 626015, 828266, 1011790, 1252030, 1656532, 1743211, 2023580, 2070665, 2504060, 3486422, 4141330, 5383729, 6972844, 8282660, 8716055, 10767458, 17432110, 21534916, 22661743, 26918645, 34864220, 45323486, 53837290, 74958073, 90646972, 107674580, 113308715, 149916146, 226617430, 299832292, 374790365, 453234860, 749580730, 974454949, 1499161460, 1948909898, 3897819796, 4872274745, 9744549490, 19489098980]

約数ペア:

[(1, 19489098980), (2, 9744549490), (4, 4872274745), (5, 3897819796), (10, 1948909898), (13, 1499161460), (20, 974454949), (26, 749580730), (43, 453234860), (52, 374790365), (65, 299832292), (86, 226617430), (130, 149916146), (172, 113308715), (181, 107674580), (215, 90646972), (260, 74958073), (362, 53837290), (430, 45323486), (559, 34864220), (724, 26918645), (860, 22661743), (905, 21534916), (1118, 17432110), (1810, 10767458), (2236, 8716055), (2353, 8282660), (2795, 6972844), (3620, 5383729), (4706, 4141330), (5590, 3486422), (7783, 2504060), (9412, 2070665), (9631, 2023580), (11180, 1743211), (11765, 1656532), (15566, 1252030), (19262, 1011790), (23530, 828266), (31132, 626015), (38524, 505895), (38915, 500812), (47060, 414133), (48155, 404716), (77830, 250406), (96310, 202358), (101179, 192620), (125203, 155660)]