17919972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 56609280

約数和(自身を除く): 38689308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 47, 51, 63, 68, 84, 89, 94, 102, 119, 126, 141, 153, 178, 188, 204, 238, 252, 267, 282, 306, 329, 356, 357, 423, 476, 534, 564, 612, 623, 658, 714, 799, 801, 846, 987, 1068, 1071, 1246, 1316, 1428, 1513, 1598, 1602, 1692, 1869, 1974, 2142, 2397, 2492, 2961, 3026, 3196, 3204, 3738, 3948, 4183, 4284, 4539, 4794, 5593, 5607, 5922, 6052, 7191, 7476, 8366, 9078, 9588, 10591, 11186, 11214, 11844, 12549, 13617, 14382, 16732, 16779, 18156, 21182, 22372, 22428, 25098, 27234, 28764, 29281, 31773, 33558, 37647, 42364, 50196, 50337, 54468, 58562, 63546, 67116, 71111, 75294, 87843, 95319, 100674, 117124, 127092, 142222, 150588, 175686, 190638, 201348, 213333, 263529, 284444, 351372, 381276, 426666, 497777, 527058, 639999, 853332, 995554, 1054116, 1279998, 1493331, 1991108, 2559996, 2986662, 4479993, 5973324, 8959986, 17919972]

約数ペア:

[(1, 17919972), (2, 8959986), (3, 5973324), (4, 4479993), (6, 2986662), (7, 2559996), (9, 1991108), (12, 1493331), (14, 1279998), (17, 1054116), (18, 995554), (21, 853332), (28, 639999), (34, 527058), (36, 497777), (42, 426666), (47, 381276), (51, 351372), (63, 284444), (68, 263529), (84, 213333), (89, 201348), (94, 190638), (102, 175686), (119, 150588), (126, 142222), (141, 127092), (153, 117124), (178, 100674), (188, 95319), (204, 87843), (238, 75294), (252, 71111), (267, 67116), (282, 63546), (306, 58562), (329, 54468), (356, 50337), (357, 50196), (423, 42364), (476, 37647), (534, 33558), (564, 31773), (612, 29281), (623, 28764), (658, 27234), (714, 25098), (799, 22428), (801, 22372), (846, 21182), (987, 18156), (1068, 16779), (1071, 16732), (1246, 14382), (1316, 13617), (1428, 12549), (1513, 11844), (1598, 11214), (1602, 11186), (1692, 10591), (1869, 9588), (1974, 9078), (2142, 8366), (2397, 7476), (2492, 7191), (2961, 6052), (3026, 5922), (3196, 5607), (3204, 5593), (3738, 4794), (3948, 4539), (4183, 4284)]