19290880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2153}}^1$

素因数の和:2181

約数の個数: 72

約数和(自身を含む): 52833312

約数和(自身を除く): 33542432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2153, 2240, 4306, 4480, 8612, 8960, 10765, 15071, 17224, 21530, 30142, 34448, 43060, 60284, 68896, 75355, 86120, 120568, 137792, 150710, 172240, 241136, 275584, 301420, 344480, 482272, 551168, 602840, 688960, 964544, 1205680, 1377920, 1929088, 2411360, 2755840, 3858176, 4822720, 9645440, 19290880]

約数ペア:

[(1, 19290880), (2, 9645440), (4, 4822720), (5, 3858176), (7, 2755840), (8, 2411360), (10, 1929088), (14, 1377920), (16, 1205680), (20, 964544), (28, 688960), (32, 602840), (35, 551168), (40, 482272), (56, 344480), (64, 301420), (70, 275584), (80, 241136), (112, 172240), (128, 150710), (140, 137792), (160, 120568), (224, 86120), (256, 75355), (280, 68896), (320, 60284), (448, 43060), (560, 34448), (640, 30142), (896, 21530), (1120, 17224), (1280, 15071), (1792, 10765), (2153, 8960), (2240, 8612), (4306, 4480)]