18279828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{251}}^1$

素因数の和:302

約数の個数: 108

約数和(自身を含む): 56320992

約数和(自身を除く): 38041164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 251, 252, 289, 306, 357, 476, 502, 578, 612, 714, 753, 867, 1004, 1071, 1156, 1428, 1506, 1734, 1757, 2023, 2142, 2259, 2601, 3012, 3468, 3514, 4046, 4267, 4284, 4518, 5202, 5271, 6069, 7028, 8092, 8534, 9036, 10404, 10542, 12138, 12801, 15813, 17068, 18207, 21084, 24276, 25602, 29869, 31626, 36414, 38403, 51204, 59738, 63252, 72539, 72828, 76806, 89607, 119476, 145078, 153612, 179214, 217617, 268821, 290156, 358428, 435234, 507773, 537642, 652851, 870468, 1015546, 1075284, 1305702, 1523319, 2031092, 2611404, 3046638, 4569957, 6093276, 9139914, 18279828]

約数ペア:

[(1, 18279828), (2, 9139914), (3, 6093276), (4, 4569957), (6, 3046638), (7, 2611404), (9, 2031092), (12, 1523319), (14, 1305702), (17, 1075284), (18, 1015546), (21, 870468), (28, 652851), (34, 537642), (36, 507773), (42, 435234), (51, 358428), (63, 290156), (68, 268821), (84, 217617), (102, 179214), (119, 153612), (126, 145078), (153, 119476), (204, 89607), (238, 76806), (251, 72828), (252, 72539), (289, 63252), (306, 59738), (357, 51204), (476, 38403), (502, 36414), (578, 31626), (612, 29869), (714, 25602), (753, 24276), (867, 21084), (1004, 18207), (1071, 17068), (1156, 15813), (1428, 12801), (1506, 12138), (1734, 10542), (1757, 10404), (2023, 9036), (2142, 8534), (2259, 8092), (2601, 7028), (3012, 6069), (3468, 5271), (3514, 5202), (4046, 4518), (4267, 4284)]