19951872

素因数分解:

$2^8\times 3^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 53912544

約数和(自身を除く): 33960672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 128, 166, 192, 249, 256, 313, 332, 384, 498, 626, 664, 768, 939, 996, 1252, 1328, 1878, 1992, 2504, 2656, 3756, 3984, 5008, 5312, 7512, 7968, 10016, 10624, 15024, 15936, 20032, 21248, 25979, 30048, 31872, 40064, 51958, 60096, 63744, 77937, 80128, 103916, 120192, 155874, 207832, 240384, 311748, 415664, 623496, 831328, 1246992, 1662656, 2493984, 3325312, 4987968, 6650624, 9975936, 19951872]

約数ペア:

[(1, 19951872), (2, 9975936), (3, 6650624), (4, 4987968), (6, 3325312), (8, 2493984), (12, 1662656), (16, 1246992), (24, 831328), (32, 623496), (48, 415664), (64, 311748), (83, 240384), (96, 207832), (128, 155874), (166, 120192), (192, 103916), (249, 80128), (256, 77937), (313, 63744), (332, 60096), (384, 51958), (498, 40064), (626, 31872), (664, 30048), (768, 25979), (939, 21248), (996, 20032), (1252, 15936), (1328, 15024), (1878, 10624), (1992, 10016), (2504, 7968), (2656, 7512), (3756, 5312), (3984, 5008)]