19846820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 52254720

約数和(自身を除く): 32407900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 62, 68, 70, 85, 119, 124, 140, 155, 170, 217, 238, 269, 310, 340, 434, 476, 527, 538, 595, 620, 868, 1054, 1076, 1085, 1190, 1345, 1883, 2108, 2170, 2380, 2635, 2690, 3689, 3766, 4340, 4573, 5270, 5380, 7378, 7532, 8339, 9146, 9415, 10540, 14756, 16678, 18292, 18445, 18830, 22865, 32011, 33356, 36890, 37660, 41695, 45730, 58373, 64022, 73780, 83390, 91460, 116746, 128044, 141763, 160055, 166780, 233492, 283526, 291865, 320110, 567052, 583730, 640220, 708815, 992341, 1167460, 1417630, 1984682, 2835260, 3969364, 4961705, 9923410, 19846820]

約数ペア:

[(1, 19846820), (2, 9923410), (4, 4961705), (5, 3969364), (7, 2835260), (10, 1984682), (14, 1417630), (17, 1167460), (20, 992341), (28, 708815), (31, 640220), (34, 583730), (35, 567052), (62, 320110), (68, 291865), (70, 283526), (85, 233492), (119, 166780), (124, 160055), (140, 141763), (155, 128044), (170, 116746), (217, 91460), (238, 83390), (269, 73780), (310, 64022), (340, 58373), (434, 45730), (476, 41695), (527, 37660), (538, 36890), (595, 33356), (620, 32011), (868, 22865), (1054, 18830), (1076, 18445), (1085, 18292), (1190, 16678), (1345, 14756), (1883, 10540), (2108, 9415), (2170, 9146), (2380, 8339), (2635, 7532), (2690, 7378), (3689, 5380), (3766, 5270), (4340, 4573)]