19542970860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6647269}}^1$

素因数の和:6647295

約数の個数: 72

約数和(自身を含む): 63654257520

約数和(自身を除く): 44111286660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6647269, 13294538, 19941807, 26589076, 33236345, 39883614, 46530883, 66472690, 79767228, 93061766, 99709035, 132945380, 139592649, 186123532, 199418070, 232654415, 279185298, 325716181, 398836140, 465308830, 558370596, 651432362, 697963245, 930617660, 977148543, 1302864724, 1395926490, 1628580905, 1954297086, 2791852980, 3257161810, 3908594172, 4885742715, 6514323620, 9771485430, 19542970860]

約数ペア:

[(1, 19542970860), (2, 9771485430), (3, 6514323620), (4, 4885742715), (5, 3908594172), (6, 3257161810), (7, 2791852980), (10, 1954297086), (12, 1628580905), (14, 1395926490), (15, 1302864724), (20, 977148543), (21, 930617660), (28, 697963245), (30, 651432362), (35, 558370596), (42, 465308830), (49, 398836140), (60, 325716181), (70, 279185298), (84, 232654415), (98, 199418070), (105, 186123532), (140, 139592649), (147, 132945380), (196, 99709035), (210, 93061766), (245, 79767228), (294, 66472690), (420, 46530883), (490, 39883614), (588, 33236345), (735, 26589076), (980, 19941807), (1470, 13294538), (2940, 6647269)]