19851468

素因数分解:

$2^2\times 3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 120

約数和(自身を含む): 59291568

約数和(自身を除く): 39440100

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 53, 78, 84, 91, 98, 106, 147, 156, 159, 182, 196, 212, 273, 294, 318, 343, 364, 371, 546, 588, 636, 637, 686, 689, 742, 1029, 1092, 1113, 1274, 1372, 1378, 1484, 1911, 2058, 2067, 2226, 2401, 2548, 2597, 2756, 3822, 4116, 4134, 4452, 4459, 4802, 4823, 5194, 7203, 7644, 7791, 8268, 8918, 9604, 9646, 10388, 13377, 14406, 14469, 15582, 17836, 18179, 19292, 26754, 28812, 28938, 31164, 31213, 33761, 36358, 53508, 54537, 57876, 62426, 67522, 72716, 93639, 101283, 109074, 124852, 127253, 135044, 187278, 202566, 218148, 236327, 254506, 374556, 381759, 405132, 472654, 509012, 708981, 763518, 945308, 1417962, 1527036, 1654289, 2835924, 3308578, 4962867, 6617156, 9925734, 19851468]

約数ペア:

[(1, 19851468), (2, 9925734), (3, 6617156), (4, 4962867), (6, 3308578), (7, 2835924), (12, 1654289), (13, 1527036), (14, 1417962), (21, 945308), (26, 763518), (28, 708981), (39, 509012), (42, 472654), (49, 405132), (52, 381759), (53, 374556), (78, 254506), (84, 236327), (91, 218148), (98, 202566), (106, 187278), (147, 135044), (156, 127253), (159, 124852), (182, 109074), (196, 101283), (212, 93639), (273, 72716), (294, 67522), (318, 62426), (343, 57876), (364, 54537), (371, 53508), (546, 36358), (588, 33761), (636, 31213), (637, 31164), (686, 28938), (689, 28812), (742, 26754), (1029, 19292), (1092, 18179), (1113, 17836), (1274, 15582), (1372, 14469), (1378, 14406), (1484, 13377), (1911, 10388), (2058, 9646), (2067, 9604), (2226, 8918), (2401, 8268), (2548, 7791), (2597, 7644), (2756, 7203), (3822, 5194), (4116, 4823), (4134, 4802), (4452, 4459)]