19297425

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 38167200

約数和(自身を除く): 18869775

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 59, 75, 89, 105, 147, 175, 177, 245, 267, 295, 413, 445, 525, 623, 735, 885, 1225, 1239, 1335, 1475, 1869, 2065, 2225, 2891, 3115, 3675, 4361, 4425, 5251, 6195, 6675, 8673, 9345, 10325, 13083, 14455, 15575, 15753, 21805, 26255, 30975, 36757, 43365, 46725, 65415, 72275, 78765, 109025, 110271, 131275, 183785, 216825, 257299, 327075, 393825, 551355, 771897, 918925, 1286495, 2756775, 3859485, 6432475, 19297425]

約数ペア:

[(1, 19297425), (3, 6432475), (5, 3859485), (7, 2756775), (15, 1286495), (21, 918925), (25, 771897), (35, 551355), (49, 393825), (59, 327075), (75, 257299), (89, 216825), (105, 183785), (147, 131275), (175, 110271), (177, 109025), (245, 78765), (267, 72275), (295, 65415), (413, 46725), (445, 43365), (525, 36757), (623, 30975), (735, 26255), (885, 21805), (1225, 15753), (1239, 15575), (1335, 14455), (1475, 13083), (1869, 10325), (2065, 9345), (2225, 8673), (2891, 6675), (3115, 6195), (3675, 5251), (4361, 4425)]