19732545

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 43228800

約数和(自身を除く): 23496255

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 49, 57, 63, 95, 105, 133, 135, 147, 157, 171, 189, 245, 285, 315, 399, 441, 471, 513, 665, 735, 785, 855, 931, 945, 1099, 1197, 1323, 1413, 1995, 2205, 2355, 2565, 2793, 2983, 3297, 3591, 4239, 4655, 5495, 5985, 6615, 7065, 7693, 8379, 8949, 9891, 13965, 14915, 16485, 17955, 20881, 21195, 23079, 25137, 26847, 29673, 38465, 41895, 44745, 49455, 62643, 69237, 80541, 104405, 115395, 125685, 134235, 146167, 148365, 187929, 207711, 313215, 346185, 402705, 438501, 563787, 730835, 939645, 1038555, 1315503, 2192505, 2818935, 3946509, 6577515, 19732545]

約数ペア:

[(1, 19732545), (3, 6577515), (5, 3946509), (7, 2818935), (9, 2192505), (15, 1315503), (19, 1038555), (21, 939645), (27, 730835), (35, 563787), (45, 438501), (49, 402705), (57, 346185), (63, 313215), (95, 207711), (105, 187929), (133, 148365), (135, 146167), (147, 134235), (157, 125685), (171, 115395), (189, 104405), (245, 80541), (285, 69237), (315, 62643), (399, 49455), (441, 44745), (471, 41895), (513, 38465), (665, 29673), (735, 26847), (785, 25137), (855, 23079), (931, 21195), (945, 20881), (1099, 17955), (1197, 16485), (1323, 14915), (1413, 13965), (1995, 9891), (2205, 8949), (2355, 8379), (2565, 7693), (2793, 7065), (2983, 6615), (3297, 5985), (3591, 5495), (4239, 4655)]