19479360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 112

約数和(自身を含む): 62764416

約数和(自身を除く): 43285056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 160, 192, 197, 206, 240, 309, 320, 394, 412, 480, 515, 591, 618, 788, 824, 960, 985, 1030, 1182, 1236, 1545, 1576, 1648, 1970, 2060, 2364, 2472, 2955, 3090, 3152, 3296, 3940, 4120, 4728, 4944, 5910, 6180, 6304, 6592, 7880, 8240, 9456, 9888, 11820, 12360, 12608, 15760, 16480, 18912, 19776, 20291, 23640, 24720, 31520, 32960, 37824, 40582, 47280, 49440, 60873, 63040, 81164, 94560, 98880, 101455, 121746, 162328, 189120, 202910, 243492, 304365, 324656, 405820, 486984, 608730, 649312, 811640, 973968, 1217460, 1298624, 1623280, 1947936, 2434920, 3246560, 3895872, 4869840, 6493120, 9739680, 19479360]

約数ペア:

[(1, 19479360), (2, 9739680), (3, 6493120), (4, 4869840), (5, 3895872), (6, 3246560), (8, 2434920), (10, 1947936), (12, 1623280), (15, 1298624), (16, 1217460), (20, 973968), (24, 811640), (30, 649312), (32, 608730), (40, 486984), (48, 405820), (60, 324656), (64, 304365), (80, 243492), (96, 202910), (103, 189120), (120, 162328), (160, 121746), (192, 101455), (197, 98880), (206, 94560), (240, 81164), (309, 63040), (320, 60873), (394, 49440), (412, 47280), (480, 40582), (515, 37824), (591, 32960), (618, 31520), (788, 24720), (824, 23640), (960, 20291), (985, 19776), (1030, 18912), (1182, 16480), (1236, 15760), (1545, 12608), (1576, 12360), (1648, 11820), (1970, 9888), (2060, 9456), (2364, 8240), (2472, 7880), (2955, 6592), (3090, 6304), (3152, 6180), (3296, 5910), (3940, 4944), (4120, 4728)]