19832540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 54359424

約数和(自身を除く): 34526884

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 641, 884, 910, 1105, 1190, 1282, 1547, 1820, 2210, 2380, 2564, 3094, 3205, 4420, 4487, 6188, 6410, 7735, 8333, 8974, 10897, 12820, 15470, 16666, 17948, 21794, 22435, 30940, 33332, 41665, 43588, 44870, 54485, 58331, 76279, 83330, 89740, 108970, 116662, 141661, 152558, 166660, 217940, 233324, 283322, 291655, 305116, 381395, 566644, 583310, 708305, 762790, 991627, 1166620, 1416610, 1525580, 1983254, 2833220, 3966508, 4958135, 9916270, 19832540]

約数ペア:

[(1, 19832540), (2, 9916270), (4, 4958135), (5, 3966508), (7, 2833220), (10, 1983254), (13, 1525580), (14, 1416610), (17, 1166620), (20, 991627), (26, 762790), (28, 708305), (34, 583310), (35, 566644), (52, 381395), (65, 305116), (68, 291655), (70, 283322), (85, 233324), (91, 217940), (119, 166660), (130, 152558), (140, 141661), (170, 116662), (182, 108970), (221, 89740), (238, 83330), (260, 76279), (340, 58331), (364, 54485), (442, 44870), (455, 43588), (476, 41665), (595, 33332), (641, 30940), (884, 22435), (910, 21794), (1105, 17948), (1190, 16666), (1282, 15470), (1547, 12820), (1820, 10897), (2210, 8974), (2380, 8333), (2564, 7735), (3094, 6410), (3205, 6188), (4420, 4487)]