19511040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5081}}^1$

素因数の和:5105

約数の個数: 72

約数和(自身を含む): 62325648

約数和(自身を除く): 42814608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5081, 10162, 15243, 20324, 25405, 30486, 40648, 50810, 60972, 76215, 81296, 101620, 121944, 152430, 162592, 203240, 243888, 304860, 325184, 406480, 487776, 609720, 650368, 812960, 975552, 1219440, 1300736, 1625920, 1951104, 2438880, 3251840, 3902208, 4877760, 6503680, 9755520, 19511040]

約数ペア:

[(1, 19511040), (2, 9755520), (3, 6503680), (4, 4877760), (5, 3902208), (6, 3251840), (8, 2438880), (10, 1951104), (12, 1625920), (15, 1300736), (16, 1219440), (20, 975552), (24, 812960), (30, 650368), (32, 609720), (40, 487776), (48, 406480), (60, 325184), (64, 304860), (80, 243888), (96, 203240), (120, 162592), (128, 152430), (160, 121944), (192, 101620), (240, 81296), (256, 76215), (320, 60972), (384, 50810), (480, 40648), (640, 30486), (768, 25405), (960, 20324), (1280, 15243), (1920, 10162), (3840, 5081)]