19323136

素因数分解:

$2^8\times 7^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 45327744

約数和(自身を除く): 26004608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 256, 263, 287, 328, 448, 526, 574, 656, 896, 1052, 1148, 1312, 1792, 1841, 2104, 2296, 2624, 3682, 4208, 4592, 5248, 7364, 8416, 9184, 10496, 10783, 14728, 16832, 18368, 21566, 29456, 33664, 36736, 43132, 58912, 67328, 73472, 75481, 86264, 117824, 150962, 172528, 235648, 301924, 345056, 471296, 603848, 690112, 1207696, 1380224, 2415392, 2760448, 4830784, 9661568, 19323136]

約数ペア:

[(1, 19323136), (2, 9661568), (4, 4830784), (7, 2760448), (8, 2415392), (14, 1380224), (16, 1207696), (28, 690112), (32, 603848), (41, 471296), (56, 345056), (64, 301924), (82, 235648), (112, 172528), (128, 150962), (164, 117824), (224, 86264), (256, 75481), (263, 73472), (287, 67328), (328, 58912), (448, 43132), (526, 36736), (574, 33664), (656, 29456), (896, 21566), (1052, 18368), (1148, 16832), (1312, 14728), (1792, 10783), (1841, 10496), (2104, 9184), (2296, 8416), (2624, 7364), (3682, 5248), (4208, 4592)]