19000288

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 40415760

約数和(自身を除く): 21415472

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 68, 106, 136, 212, 272, 424, 544, 659, 848, 901, 1318, 1696, 1802, 2636, 3604, 5272, 7208, 10544, 11203, 14416, 21088, 22406, 28832, 34927, 44812, 69854, 89624, 139708, 179248, 279416, 358496, 558832, 593759, 1117664, 1187518, 2375036, 4750072, 9500144, 19000288]

約数ペア:

[(1, 19000288), (2, 9500144), (4, 4750072), (8, 2375036), (16, 1187518), (17, 1117664), (32, 593759), (34, 558832), (53, 358496), (68, 279416), (106, 179248), (136, 139708), (212, 89624), (272, 69854), (424, 44812), (544, 34927), (659, 28832), (848, 22406), (901, 21088), (1318, 14416), (1696, 11203), (1802, 10544), (2636, 7208), (3604, 5272)]