19900404

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{3613}}^1$

素因数の和:3646

約数の個数: 60

約数和(自身を含む): 55099044

約数和(自身を除く): 35198640

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 306, 324, 459, 612, 918, 1377, 1836, 2754, 3613, 5508, 7226, 10839, 14452, 21678, 32517, 43356, 61421, 65034, 97551, 122842, 130068, 184263, 195102, 245684, 292653, 368526, 390204, 552789, 585306, 737052, 1105578, 1170612, 1658367, 2211156, 3316734, 4975101, 6633468, 9950202, 19900404]

約数ペア:

[(1, 19900404), (2, 9950202), (3, 6633468), (4, 4975101), (6, 3316734), (9, 2211156), (12, 1658367), (17, 1170612), (18, 1105578), (27, 737052), (34, 585306), (36, 552789), (51, 390204), (54, 368526), (68, 292653), (81, 245684), (102, 195102), (108, 184263), (153, 130068), (162, 122842), (204, 97551), (306, 65034), (324, 61421), (459, 43356), (612, 32517), (918, 21678), (1377, 14452), (1836, 10839), (2754, 7226), (3613, 5508)]