19204640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1319}}^1$

素因数の和:1354

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 36678880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1319, 1456, 1820, 2080, 2638, 2912, 3640, 5276, 6595, 7280, 9233, 10552, 13190, 14560, 17147, 18466, 21104, 26380, 34294, 36932, 42208, 46165, 52760, 68588, 73864, 85735, 92330, 105520, 120029, 137176, 147728, 171470, 184660, 211040, 240058, 274352, 295456, 342940, 369320, 480116, 548704, 600145, 685880, 738640, 960232, 1200290, 1371760, 1477280, 1920464, 2400580, 2743520, 3840928, 4801160, 9602320, 19204640]

約数ペア:

[(1, 19204640), (2, 9602320), (4, 4801160), (5, 3840928), (7, 2743520), (8, 2400580), (10, 1920464), (13, 1477280), (14, 1371760), (16, 1200290), (20, 960232), (26, 738640), (28, 685880), (32, 600145), (35, 548704), (40, 480116), (52, 369320), (56, 342940), (65, 295456), (70, 274352), (80, 240058), (91, 211040), (104, 184660), (112, 171470), (130, 147728), (140, 137176), (160, 120029), (182, 105520), (208, 92330), (224, 85735), (260, 73864), (280, 68588), (364, 52760), (416, 46165), (455, 42208), (520, 36932), (560, 34294), (728, 26380), (910, 21104), (1040, 18466), (1120, 17147), (1319, 14560), (1456, 13190), (1820, 10552), (2080, 9233), (2638, 7280), (2912, 6595), (3640, 5276)]