19755918

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1723}}^1$

素因数の和:1758

約数の個数: 72

約数和(自身を含む): 53654328

約数和(自身を除く): 33898410

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1723, 1911, 3446, 3822, 5169, 5733, 10338, 11466, 12061, 15507, 22399, 24122, 31014, 36183, 44798, 67197, 72366, 84427, 108549, 134394, 156793, 168854, 201591, 217098, 253281, 313586, 403182, 470379, 506562, 759843, 940758, 1097551, 1411137, 1519686, 2195102, 2822274, 3292653, 6585306, 9877959, 19755918]

約数ペア:

[(1, 19755918), (2, 9877959), (3, 6585306), (6, 3292653), (7, 2822274), (9, 2195102), (13, 1519686), (14, 1411137), (18, 1097551), (21, 940758), (26, 759843), (39, 506562), (42, 470379), (49, 403182), (63, 313586), (78, 253281), (91, 217098), (98, 201591), (117, 168854), (126, 156793), (147, 134394), (182, 108549), (234, 84427), (273, 72366), (294, 67197), (441, 44798), (546, 36183), (637, 31014), (819, 24122), (882, 22399), (1274, 15507), (1638, 12061), (1723, 11466), (1911, 10338), (3446, 5733), (3822, 5169)]