19625004

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:549

約数の個数: 120

約数和(自身を含む): 62203680

約数和(自身を除く): 42578676

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 81, 84, 102, 108, 119, 126, 153, 162, 189, 204, 238, 252, 306, 324, 357, 378, 459, 476, 509, 567, 612, 714, 756, 918, 1018, 1071, 1134, 1377, 1428, 1527, 1836, 2036, 2142, 2268, 2754, 3054, 3213, 3563, 4284, 4581, 5508, 6108, 6426, 7126, 8653, 9162, 9639, 10689, 12852, 13743, 14252, 17306, 18324, 19278, 21378, 25959, 27486, 32067, 34612, 38556, 41229, 42756, 51918, 54972, 60571, 64134, 77877, 82458, 96201, 103836, 121142, 128268, 155754, 164916, 181713, 192402, 233631, 242284, 288603, 311508, 363426, 384804, 467262, 545139, 577206, 700893, 726852, 934524, 1090278, 1154412, 1401786, 1635417, 2180556, 2803572, 3270834, 4906251, 6541668, 9812502, 19625004]

約数ペア:

[(1, 19625004), (2, 9812502), (3, 6541668), (4, 4906251), (6, 3270834), (7, 2803572), (9, 2180556), (12, 1635417), (14, 1401786), (17, 1154412), (18, 1090278), (21, 934524), (27, 726852), (28, 700893), (34, 577206), (36, 545139), (42, 467262), (51, 384804), (54, 363426), (63, 311508), (68, 288603), (81, 242284), (84, 233631), (102, 192402), (108, 181713), (119, 164916), (126, 155754), (153, 128268), (162, 121142), (189, 103836), (204, 96201), (238, 82458), (252, 77877), (306, 64134), (324, 60571), (357, 54972), (378, 51918), (459, 42756), (476, 41229), (509, 38556), (567, 34612), (612, 32067), (714, 27486), (756, 25959), (918, 21378), (1018, 19278), (1071, 18324), (1134, 17306), (1377, 14252), (1428, 13743), (1527, 12852), (1836, 10689), (2036, 9639), (2142, 9162), (2268, 8653), (2754, 7126), (3054, 6426), (3213, 6108), (3563, 5508), (4284, 4581)]