19442560

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1787}}^1$

素因数の和:1823

約数の個数: 64

約数和(自身を含む): 49241520

約数和(自身を除く): 29798960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 1787, 2176, 2720, 3574, 5440, 7148, 8935, 10880, 14296, 17870, 28592, 30379, 35740, 57184, 60758, 71480, 114368, 121516, 142960, 151895, 228736, 243032, 285920, 303790, 486064, 571840, 607580, 972128, 1143680, 1215160, 1944256, 2430320, 3888512, 4860640, 9721280, 19442560]

約数ペア:

[(1, 19442560), (2, 9721280), (4, 4860640), (5, 3888512), (8, 2430320), (10, 1944256), (16, 1215160), (17, 1143680), (20, 972128), (32, 607580), (34, 571840), (40, 486064), (64, 303790), (68, 285920), (80, 243032), (85, 228736), (128, 151895), (136, 142960), (160, 121516), (170, 114368), (272, 71480), (320, 60758), (340, 57184), (544, 35740), (640, 30379), (680, 28592), (1088, 17870), (1360, 14296), (1787, 10880), (2176, 8935), (2720, 7148), (3574, 5440)]