19411840

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{619}}^1$

素因数の和:652

約数の個数: 96

約数和(自身を含む): 54070200

約数和(自身を除く): 34658360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 619, 640, 784, 896, 980, 1120, 1238, 1568, 1960, 2240, 2476, 3095, 3136, 3920, 4333, 4480, 4952, 6190, 6272, 7840, 8666, 9904, 12380, 15680, 17332, 19808, 21665, 24760, 30331, 31360, 34664, 39616, 43330, 49520, 60662, 69328, 79232, 86660, 99040, 121324, 138656, 151655, 173320, 198080, 242648, 277312, 303310, 346640, 396160, 485296, 554624, 606620, 693280, 970592, 1213240, 1386560, 1941184, 2426480, 2773120, 3882368, 4852960, 9705920, 19411840]

約数ペア:

[(1, 19411840), (2, 9705920), (4, 4852960), (5, 3882368), (7, 2773120), (8, 2426480), (10, 1941184), (14, 1386560), (16, 1213240), (20, 970592), (28, 693280), (32, 606620), (35, 554624), (40, 485296), (49, 396160), (56, 346640), (64, 303310), (70, 277312), (80, 242648), (98, 198080), (112, 173320), (128, 151655), (140, 138656), (160, 121324), (196, 99040), (224, 86660), (245, 79232), (280, 69328), (320, 60662), (392, 49520), (448, 43330), (490, 39616), (560, 34664), (619, 31360), (640, 30331), (784, 24760), (896, 21665), (980, 19808), (1120, 17332), (1238, 15680), (1568, 12380), (1960, 9904), (2240, 8666), (2476, 7840), (3095, 6272), (3136, 6190), (3920, 4952), (4333, 4480)]