19455800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1069}}^1$

素因数の和:1105

約数の個数: 96

約数和(自身を含む): 55725600

約数和(自身を除く): 36269800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 140, 175, 182, 200, 260, 280, 325, 350, 364, 455, 520, 650, 700, 728, 910, 1069, 1300, 1400, 1820, 2138, 2275, 2600, 3640, 4276, 4550, 5345, 7483, 8552, 9100, 10690, 13897, 14966, 18200, 21380, 26725, 27794, 29932, 37415, 42760, 53450, 55588, 59864, 69485, 74830, 97279, 106900, 111176, 138970, 149660, 187075, 194558, 213800, 277940, 299320, 347425, 374150, 389116, 486395, 555880, 694850, 748300, 778232, 972790, 1389700, 1496600, 1945580, 2431975, 2779400, 3891160, 4863950, 9727900, 19455800]

約数ペア:

[(1, 19455800), (2, 9727900), (4, 4863950), (5, 3891160), (7, 2779400), (8, 2431975), (10, 1945580), (13, 1496600), (14, 1389700), (20, 972790), (25, 778232), (26, 748300), (28, 694850), (35, 555880), (40, 486395), (50, 389116), (52, 374150), (56, 347425), (65, 299320), (70, 277940), (91, 213800), (100, 194558), (104, 187075), (130, 149660), (140, 138970), (175, 111176), (182, 106900), (200, 97279), (260, 74830), (280, 69485), (325, 59864), (350, 55588), (364, 53450), (455, 42760), (520, 37415), (650, 29932), (700, 27794), (728, 26725), (910, 21380), (1069, 18200), (1300, 14966), (1400, 13897), (1820, 10690), (2138, 9100), (2275, 8552), (2600, 7483), (3640, 5345), (4276, 4550)]