19690308

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2617}}^1$

素因数の和:2657

約数の個数: 72

約数和(自身を含む): 57177120

約数和(自身を除く): 37486812

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 2617, 3762, 5234, 7524, 7851, 10468, 15702, 23553, 28787, 31404, 47106, 49723, 57574, 86361, 94212, 99446, 115148, 149169, 172722, 198892, 259083, 298338, 345444, 447507, 518166, 546953, 596676, 895014, 1036332, 1093906, 1640859, 1790028, 2187812, 3281718, 4922577, 6563436, 9845154, 19690308]

約数ペア:

[(1, 19690308), (2, 9845154), (3, 6563436), (4, 4922577), (6, 3281718), (9, 2187812), (11, 1790028), (12, 1640859), (18, 1093906), (19, 1036332), (22, 895014), (33, 596676), (36, 546953), (38, 518166), (44, 447507), (57, 345444), (66, 298338), (76, 259083), (99, 198892), (114, 172722), (132, 149169), (171, 115148), (198, 99446), (209, 94212), (228, 86361), (342, 57574), (396, 49723), (418, 47106), (627, 31404), (684, 28787), (836, 23553), (1254, 15702), (1881, 10468), (2508, 7851), (2617, 7524), (3762, 5234)]