19827080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{419}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 55339200

約数和(自身を除く): 35512120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 169, 182, 260, 280, 338, 364, 419, 455, 520, 676, 728, 838, 845, 910, 1183, 1352, 1676, 1690, 1820, 2095, 2366, 2933, 3352, 3380, 3640, 4190, 4732, 5447, 5866, 5915, 6760, 8380, 9464, 10894, 11732, 11830, 14665, 16760, 21788, 23464, 23660, 27235, 29330, 38129, 43576, 47320, 54470, 58660, 70811, 76258, 108940, 117320, 141622, 152516, 190645, 217880, 283244, 305032, 354055, 381290, 495677, 566488, 708110, 762580, 991354, 1416220, 1525160, 1982708, 2478385, 2832440, 3965416, 4956770, 9913540, 19827080]

約数ペア:

[(1, 19827080), (2, 9913540), (4, 4956770), (5, 3965416), (7, 2832440), (8, 2478385), (10, 1982708), (13, 1525160), (14, 1416220), (20, 991354), (26, 762580), (28, 708110), (35, 566488), (40, 495677), (52, 381290), (56, 354055), (65, 305032), (70, 283244), (91, 217880), (104, 190645), (130, 152516), (140, 141622), (169, 117320), (182, 108940), (260, 76258), (280, 70811), (338, 58660), (364, 54470), (419, 47320), (455, 43576), (520, 38129), (676, 29330), (728, 27235), (838, 23660), (845, 23464), (910, 21788), (1183, 16760), (1352, 14665), (1676, 11830), (1690, 11732), (1820, 10894), (2095, 9464), (2366, 8380), (2933, 6760), (3352, 5915), (3380, 5866), (3640, 5447), (4190, 4732)]