19948464

素因数分解:

$2^4\times 3^3\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:835

約数の個数: 80

約数和(自身を含む): 58275040

約数和(自身を除く): 38326576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 61, 72, 108, 122, 144, 183, 216, 244, 366, 432, 488, 549, 732, 757, 976, 1098, 1464, 1514, 1647, 2196, 2271, 2928, 3028, 3294, 4392, 4542, 6056, 6588, 6813, 8784, 9084, 12112, 13176, 13626, 18168, 20439, 26352, 27252, 36336, 40878, 46177, 54504, 81756, 92354, 109008, 138531, 163512, 184708, 277062, 327024, 369416, 415593, 554124, 738832, 831186, 1108248, 1246779, 1662372, 2216496, 2493558, 3324744, 4987116, 6649488, 9974232, 19948464]

約数ペア:

[(1, 19948464), (2, 9974232), (3, 6649488), (4, 4987116), (6, 3324744), (8, 2493558), (9, 2216496), (12, 1662372), (16, 1246779), (18, 1108248), (24, 831186), (27, 738832), (36, 554124), (48, 415593), (54, 369416), (61, 327024), (72, 277062), (108, 184708), (122, 163512), (144, 138531), (183, 109008), (216, 92354), (244, 81756), (366, 54504), (432, 46177), (488, 40878), (549, 36336), (732, 27252), (757, 26352), (976, 20439), (1098, 18168), (1464, 13626), (1514, 13176), (1647, 12112), (2196, 9084), (2271, 8784), (2928, 6813), (3028, 6588), (3294, 6056), (4392, 4542)]